Please enter a keyword to search or click a letter below to browse the list of abbreviations and definitions through our glossary index.


Search Results for R
  • R of T 
    Range of tide 
  • R&CC 
    Riots and civil commotion 
  • R&L 
    Rail and lake 
  • R&O 
    Rail and ocean 
  • R+M/2 
    A misleading, but popular, expression of (R+M)2. See antiknock index. 
  • R.D. or RD 
    Running days 
  • R.S.V.P. 
    Repondez, s'il vous plait (Please reply) 
  • R/E 
    Rate of exchange 
  • R/P 
    Return to Port (for orders) 
  • R/T 
    Round trip or Radio Telephone or Rye Terms 
  • R/T or RT 
    Revenue ton 
  • R/V OR RND 
    Round voyage 
  • R/V or RND or RV 
    Round voyage 
  • RA 
    Receivers' approval 
  • RAC 
    Response Action Contractor 
  • Rack blending 
    The practice of adding one or more components to a gasoline blend at an inland distribution terminal. Frequently, due to logistics, this type of blending occurs at the end of the distribution line. For instance, a supplier will add ethanol to finished gas
  • Rack price 
    The truckload price charged by a supplier to customers which buy motor gasoline on an FOB terminal basis. 
  • Radar Platform 
    A platform for operating radar equipment from 
  • Radio Station Vessel 
    A vessel specifically adapted for used as a radio broadcasting station 
  • Radioactivity 
    The property of some substances to emit invisible and potentially harmful radiation. 
  • Raffinate 
    What remains of a reformate or pyrolysis gasoline stream after aromatics extraction. These paraffinic, naphtha-range mixtures usually have too low an octane rating for use in motor gasoline, but good properties for steam cracking. Butylene streams produce
  • Rag Top 
    A slang term for an open–top trailer or container with a tarpaulin cover. 
  • Rail Division 
    The amount of money an ocean carrier pays to the railroad for overland carriage. 
  • Rail Grounding 
    The time that the container was discharged (grounded) from the train. 
  • Rail Vehicles Carrier 
    A single or multi deck cargo ship with rails for the carriage of rail vehicles which are loaded via ramps 
  • Ramp 
    Railroad terminal where containers are received or delivered and trains loaded or discharged. Original- ly, trailers moved onto the rearmost flatcar via a ramp and driven into position in a technique known as “circus loading.” Most modern rail facilities
  • Ramp–to–Door 
    A movement where the load initiates at an origin rail ramp and terminates at a consignee’s door. 
  • Ramp–to–Ramp 
    A movement of equipment from an origin rail ramp to a destination rail ramp only. 
  • Ramsbottom carbon 
    A measurement of hydrocarbon mixtures' tendency to leave carbon deposits (coke) when burned as fuel or subjected to intense heat in a processing unit such as a catalytic cracker. See CONRADSON CARBON. 
  • Rancidity 
    Rancidity is the development of off-odours and off-flavour in edible oils and fats or manufactured food products caused by oxidative deterioration. Primary oxidation products are odourless and tasteless but certain secondary decomposition products have pa
  • Rapeseed Oil 
    The oil obtained from the seeds of ""Brassica Napus"" and ""Brassica Campestris"". In common with other brassica oils such as mustard oils, rapeseed has a high content of erucic acid. Since this was found to have some adverse nutritional effects in animal
  • RAPL 
    Rotterdam - Amsterdam Pipeline 
  • Rate Basis 
    A formula of the specific factors or elements that control the making of a rate. A rate can be based on any number of factors (i.e., weight, measure, equipment type, package, box, etc.). 
  • Rateably 
    On a rateable basis. The industry uses this expression for paced delivery of product. Crude, for instance, can move from buyer to seller at some speed like a thousand barrels per day. The idea applies most naturally to pipeline-carried commodities. 
  • Raw Materials 
    The primary raw materials of the oleochemicals industry are tall oil, tallow, coconut oil, palm oil, palm kernel oil, soybean oil, sunflower oil and canola oil. 
  • RBAY 
    Richards Bay 
  • RBCT 
    Richards Bay Coal Terminal 
  • RBD 
    Refined, Bleached and Deodorised Oil. The initial letters of the words Refined, Bleached and Deodorised are used as a quality description of a fully processed oil. In Malaysia, RBD is used for a physically refined oil. After transport, RBD oils have to be
  • RC 
    Refrigerated Container or Running Costs 
  • RC&L 
    Rail, canal and lake 
  • RCC&S 
    Riots, civil commotion and strikes 
  • RCM 
    Rail to Center Manifold 
  • RCN 
    Research octane number 
  • RCP 
    Federal Region Oil & Hazardous Substances Pollution Contingency Plan 
  • RCRA 
    Resource Conservation and Recovery Act 
  • RCVD 
  • RCVR 
  • RD 
    Road or Running Days 
  • RDC 
    Running down clause 
  • RDLY 
    Redelivery; Re-delivery of Vessel on Time Charter 
  • RDR 
  • Rds 
  • RE. 
    Relating (to) or with Reference (to) 
  • Reachable on arrival 
    REACHABLE ON ARRIVAL shall mean that the charterer undertakes that an available loading or discharging Berth be provided to the Vessel on arrival at the Port which the Vessel can reach safely without delay. 
  • Reaction with Oxygen 
    Tank Cleaning: Drying and semi-drying vegetable and animal oils react with oxygen to form a varnish-like polymeric film. This is very difficult to remove from the bulkheads etc. Since heat increases the reaction speed the initial washing of these products
  • Reaction with water 
    Tank Cleaning: Isocyanates must never come into contact with water, not even the residues, because the reaction product and insoluble urethane (plus CO2) are very difficult to remove. Such products must be washed with a suitable solvent, that does not con
  • Reaction with water hardness compounds  
    Tank Cleaning: Water hardness is formed by the calcium and magnesium content of the water. Sea water has a very high water hardness. Some products like fatty acids and vegetable oils with a high free fatty acid content will form white sticky residues, if
  • Reactivity 
    A description of the tendency of a substance to undergo chemical reaction with the release of energy. Undesirable effects such as pressure build-up, temperature increase, formation of noxious, toxic, or corrosive byproducts may occur because of the reacti
  • Realization 
    Evaluation based on theoretical (often negotiated) estimates of how much money a refiner or petrochemicals producer can make by processing a feedstock. Many netback deals price oil according to a formula which considers the quantity and spot value of prod
  • Reasonableness 
    Under ICC and common law, the requirement that a rate not be higher than is necessary to reimburse the carrier for the actual cost of transporting the traffic and allow a fair profit. 
  • Rebate 
    An illegal form of discounting or refunding that has the net effect of lowering the tariff price. See also Malpractice. 
  • REC 
  • Recap 
  • Reconsignment 
    Changing the consignee or destination on a bill of lading while shipment is still in transit. Diversion has substantially the same meaning. 
  • Recourse 
    A right claim against the guarantors of a loan or draft or bill of exchange. 
  • Recovery Package 
    Advanced equipment package for secure recovery of refrigerants. Satisfies all relevant marine regulations 
  • Red Label 
    A label required on shipments of flammable articles. 
  • REDEL 
  • Redox Potential 
    A measure of the oxidizing ability of a solution. A solution with a high redox potential has a high oxidizing ability 
  • Reduced crude 
    Atmospheric fuel oil. See ATMOSPHERIC RESIDUE. 
  • Redwood viscosity 
    A method of measuring and reporting viscosity which lost popularity in recent years. Tables available from various sources convert Redwood figures to the more widely used Kinematic and Saybolt scales. 
  • REEF 
    Refrigerated container 
  • Reefer Vessel 
    Vessel with refrigerated cargo hold(s) 
  • REF 
  • REFG 
  • Refined Sugar Carrier 
    A single deck cargo vessel for the carriage of refined sugar. Sugar is loaded in bulk and bagged in transit (BIBO - Bulk In - Bag Out) 
  • Refinery intermediate 
  • Refining 
    Processing and manufacturing of petroleum products out of crude oil and other hydrocarbons. Refining begins with simple distillation, and then additional processes are done to minimize the production of heavier/lower value products, such as residual fuel
  • Refining Factor 
    The refining factor is used to monitor product losses in the refinery. It is defined as the ratio of percent loss to percent FFA, corrected for moisture and impurities. A refining factor can be calculated for one or more processing stages. 
  • Refining Loss 
    The loss from the original quantity of crude oil resulting from various refining processes. This loss varies considerably depending on the free acid content of the oil, other substances removed during refining and the method of refining. 
  • Reformate 
    The product of a catalytic reformer. An aromatics-rich high-octane motor or aviation gasoline blendstock. Many refineries route a part of the reformate they produce through aromatics extraction units to recover the benzene, toluene, and xylenes it contain
  • Reformer 
    A catalytic processing unit which produces a highly aromatic stream (reformate) used primarily as high-octane blendstock. 
  • Reforming 
    The thermal or catalytic conversion of petroleum naphtha into more volatile products of higher octane number. It represents the total effect of numerous simultaneous reactions such as cracking, polymerization, dehydrogenation, and isomerisation. 
  • Reforming Naphtha 
  • Refractive Index 
    The velocity of light changes as it travels from one medium to another and the light is then said to have undergone refraction. In effect, the rays of light are bent at the interface between the two media. The refractive index of a substance is the ratio
  • Refrigerants 
    Used in refrigeration and freezing plants 
  • Refrigerated Cargo Ship  
    A multi deck cargo ship for the carriage of refrigerated cargo at various temperatures 
  • Refrigerated liquid 
    See Cryogenic liquid 
  • REG 
  • Reg (EC) 2037/2000 
    EU regulation covering ozone-depleting substances which seeks to protect the ozone layer 
  • Regasification 
    Process that occurs after LNG has been shipped and transferred to a storage tank. It is then warmed to convert it back into natural gas for distribution via pressurized pipeline to residential, commercial and industrial users. 
  • Regional Bulk Sizes 
    Kamsarmax, with a maximum length of 229 meters, the maximum length that can load in the port of Kamsar in the Republic of Guinea. Other terms such as Seawaymax, Setouchmax, Dunkirkmax, and Newcastlemax also appear in regional trade. 
  • REL 
    Recommended Exposure Limit. The highest allowable air concentration that will not injure a person. 
  • Related Points 
    A group of points to which rates are made the same as or in relation to rates to other points in group. 
  • Relative Density 
    See Specific Gravity 
  • Relay 
    To transfer containers from one ship to another when both vessels are controlled by the same network (carrier) manager. 
  • Relet 
    A ship offered for hire by its time-charterer. Large international oil companies, because they take far more tankers on a period basis than anyone else, engage in reletting most frequently. 
  • RELET 
    To sub-charter 
  • REM 
  • Remittance 
    Funds sent by one person to another as payment. 
  • Rendering 
    The process of separating animal fat from tissue and cellular structure by the application of heat, pressure, solvent or a combination of these. 
  • REP 
  • Repair Vessel, Naval Auxiliary 
    A naval auxiliary vessel for general work and repair operations 
  • Replenishment Dry Cargo Vessel 
    A naval auxiliary vessel for homogenous dry cargo 
  • Replenishment Tanker 
    A naval auxiliary vessel. Designed for fuel, lubricants & general stores for transfer to warships at sea. 
  • Reproductive toxicity 
    Capable of causing injury to the male or female reproductive system, causing an interference with propagation of the species 
  • REQ 
  • Res 
    IMO Assembly Resolution 
  • Research Survey Vessel 
    A vessel equipped for research and/or survey (e.g. geophysical, hydrographic) 
  • Research Vessel, Naval Auxiliary 
    A research vessel for Naval support 
  • Research, Inland Waterways 
    A vessel designed for research. Not designed for operation in open sea 
  • Reserves 
    Reservoirs of oil and gas considered to be economically and operationally feasible to extract and refine. 
  • Resid 
    Abbreviation of residue. 
  • Residue 
    The bottoms taken from distillation units. Both atmospheric and vacuum stills yield a residue. The industry sometimes uses "bottoms" to designate this unboiled material. Atmospheric residue can undergo further distillation in a vacuum unit. Heavy fuel oil
  • Resin 
    Any natural or synthetic organic compound consisting of a non-crystalline or viscous liquid substance. Natural resins are organic substances that are transparent or translucent, formed in plant secretions. Synthetic resins comprise a large class of synthe
  • Responsible Care 
    Responsible Care is the chemical industry's commitment to continuous improvement in all aspects of health, safety and environment performance and to openness in communication about its activities and achievements.  
  • Restaurant Vessel, Stationary 
    A stationary vessel used as a floating restaurant. 
  • Restricted Articles 
    Articles handled only under certain conditions. 
  • REV 
  • Revenue Ton (RT) 
    A ton on which the shipment is freighted. If cargo is rated as weight or measure (W/M), whichever produces the highest revenue will be considered the revenue ton.Weights are based on metric tons and measures are based on cubic meters.RT=1 MT or 1 CBM. 
  • Reverse IPI 
    An inland point provided by an all–water carrier’s through bill of lading in the U.S. by first discharging the container in an East Coast port. 
  • Reversible 
    Detention. If loading completed sooner than expected at load port, then days saved can be added to discharge operations. 
  • REVERSIBLE (Detention) 
    If loading completed sooner than expected at load port, then days saved can be added to discharge operations 
  • Reversible Laytime 
    REVERSIBLE LAYTIME shall mean an option given to the charterer to add together the time allowed for loading and discharging. Where the option is exercised the effect is the same as a total time being specified to cover both operations. 
  • RFP 
    Request for Proposal 
  • RFQ 
    Request for quotation. 
  • RG 
  • RGDS 
  • RGE 
  • RGE or RNG 
  • RI or RINA 
    Registro Italiano Navale 
  • RIC 
    Reading in Copy 
  • Ricinoleic Acid 
    Ricinoleic acid, whose systematic name is 12-hydroxyleic acid, is found in high degree in castor oil. The oil, ricinoleic acid, or its derivatives, are important to the cosmetics and lubricants industries. 
  • Righting Moment 
    Ship Stability: The product of the weight of the vessel(displacement) and the righting arm(GZ) 
  • RightShip 
    RightShip is a boutique ship vetting specialist, promoting safety and efficiency in the global maritime industry, including drybulk.  
  • RINA 
    Registro Italiano 
  • Risk 
    Risk should be clearly distinguished from hazard. Risk is the chance that a given hazardous effect will occur. The use of fire by humans is an example of optimizing the balance between hazard and risk, as fire, being extremely hazardous, must be used unde
  • Risk Assessment 
    Substances on European priority lists must undergo an in-depth risk assessment covering the risks posed by the priority chemical to man (covering workers, consumers and man exposed via the environment) and the environment (covering the terrestrial, aquati
  • RIT 
    Refining in transit 
  • RM 
    Engine room platform (OCIMF acronym) 
  • RMO 
    Regional Marine Operations 
  • RMRGC 
    Recommendations for Manifolds of Refrigerated for Gas Carriers for Cargoes 
  • RNR 
    Rate not reported 
  • RO 
    Registered office 
  • RO 
    Registered office 
  • RO-RO 
  • Ro-Ro Cargo Ship 
    A single or multi deck cargo ship for the carriage of laden vehicles which are loaded via ramps 
  • Ro-Ro Cargo Ship, Inland Waterways 
    A vessel designed for the transportation of Ro-Ro Cargo. Not designed for operation in open sea 
  • Ro/Ro 
    A shortening of the term, “Roll On/Roll Off.” A method of ocean cargo service using a vessel with ramps which allows wheeled vehicles to be loaded and discharged without cranes. Also refers to any specialized vessel designed to carry Ro/Ro cargo. 
  • Roads 
    Anchorage Area 
  • ROB 
    Remaining on board. The volume of cargo, usually expressed in barrels or cubic meters, left on board a tankship at a particular point of a voyage. Final ROB volumes after the completion of discharge, if too high (& deemed pumpable IAW C/P terms), can resu
  • ROC 
    Reference Our Cable....(date) 
  • Rocket Launch Support Ship 
    A vessel equipped to transport rocket sections to isolated launch sites 
    Phosphate Rock 
  • ROI 
    Return on Investment 
  • Roll 
    To re–book cargo to a later vessel. 
  • Roll-on/Roll-off vessels 
    Ships specially designed to carry wheeled containers or trailers using interior ramps. Includes all forms of car and truck carriers. 
  • Roll–on/Roll–off vessels 
    Ships specially designed to carry wheeled containers or trail- ers using interior ramps. 
  • Rolling 
    Ship Stability: is when the vessel rotates about the longitudinal (front/back) axis 
  • Rolling 
    The side–to–side (athwartship) motion of a vessel. 
  • RON (Research Octane Number) 
    A rating of the anti-knock properties of a finished motor gasoline or blendstock. The test to determine RON stimulates mild engine operating conditions such as motoring at moderate speeds. The RON method yields higher numbers than the MON (motor octane nu
  • RORO 
    Roll On/Roll Off 
  • RoRo Barge 
    The Roll On/Roll Off, or RO/RO barge is a deck barge with multiple decks that can accommodate enormous numbers of containers, trailers, or rail cars, allowing them to be wheeled directly onto or off the barge. 
  • ROT 
    Residual Oil Tank 
  • ROTLX 
    Reference Our TeLeX ...(date) 
  • ROTT 
  • Route 
    The manner in which a shipment moves; i.e., the carriers handling it and the points at which the carriers interchange. 
  • RP 
    River Plate or Return Premium 
  • RPM 
    Revolutions Per Minute or Rotations Per Minute 
  • RPS 
    Revolutions (or rotations) per second 
  • RPT 
  • RQRD 
  • RRT 
    Regional Response Team 
  • RS 
    Register of Shipping of the Russia or Rupees (currency of India) 
  • RS&CC 
    Riots, strikes and civil commotions 
  • RSO 
    Recognized Security Organization 
  • RT 
    Revenue Tonne or Right Time (of ship departure/arrival) 
  • RT43 
    Measure for capacity by a car which is 4.125 m long, 1.550 m wide and 1.420 m high 
  • RTBA 
    Rate to be agreed 
  • RTD 
    Round trip distance 
  • Rubber 
    Synthetic rubber, as opposed to natural rubber (obtained from the exudations of certain tropical trees), is derived from petroleum and natural gas. Because of its elasticity, resilience, and toughness, rubber is the basic constituent of the tires used in
  • Rummage Sale 
    From the French "arrimage" meaning ship's cargo. Damaged cargo was sold at a rummage sale. 
  • Running Days or Consecutive Days 
    RUNNING DAYS or CONSECUTIVE DAYS shall mean Days which follow one immediately after the other. 
  • Running Gear 
    Complementary equipment for terminal and over–the–road handling containers. 
  • Running Hours or Consecutive Hours 
    RUNNING HOURS or CONSECUTIVE HOURS shall mean hours which follow one immediately after the other. 
  • RVNX 
    Released Value Not Exceeding: Usually used to limit the value of goods transported. The limitation refers to carrier liability when paying a claim for lost or damaged goods. 
  • RVP 
    Reid Vapor Pressure. Absolute pressure exerted by the gas produced by evaporation from the liquid, as measured by Reid apparatus under the specific conditions of test temperature, vapor/liquid ratio and air saturation. 
  • RVP 
    Reid vapor pressure. A measure of the volatility of hydrocarbons. The Reid test can measure volatility at any practical temperature. A testing temperature must accompany any RVP report to make it most informative. Ordinarily, the feedstock and petroleum p
  • RX 
    Receiver (radio) 
  • RYC 
    Reference Your Cable...(date) 
  • RYTLX 
    Reference Your TeLeX...(date)