Glossary

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

GLOSSARY INDEX

Search Results for N
N(186)
ABBREVIATION
DEFINITION
  • NULL
    NULL
  • NULL
    On the Ship – Owner's instruction the agent in charge of the ship will have to pay, at the expense of the ship, all established duties and dues of the port as well as cover bills for work and services done on the master's demand. On the basis of the bills
  • North 
  • And 
  • N CONT 
    North Continent 
  • n-Butanol 
    N-Butanol is a liquid alcohol, which is an important solvent for resins and lacquers. It is also used as raw materials for glycol ethers and acetate esters. 
  • n-Butene 
    Butenes are formed during the cracking of petroleum to produce gasoline; they can also be prepared commercially by the catalytic dehydrogenation of butanes. 
  • n.E. 
    not East of 
  • n.N. 
    Not North (of) 
  • N.R. 
    No risk until confirmed or Net Register or Northern Range (of Ports in US) 
  • n.S 
    not South of 
  • N.Y.T. 
    New York Standard Time 
  • N/A 
    North America or North Atlantic or Not absolutely or Nearest Approach or Not Available or Not Applicable or No Account or No Advice or Not Acceptable or Not Addressed 
  • N/A 
    Not applicable / Not acceptable / Not available 
  • N/B 
    Newbuilding or Northbound or Nota Bene 
  • N/B or NB 
    New building 
  • N/E or n.E 
    Not east of 
  • N/N or n.N 
    Not north of 
  • N/S or n.S 
    Not south of 
  • N/t 
    New terms (grain trade) 
  • N/W or n.W 
    Not west of 
  • NA 
    Not applicable / Not acceptable / Not available 
  • NA OR N/A 
    Not applicable / Not acceptable / Not available 
  • NAA 
    Not always Afloat 
  • NAABSA 
    Not Always Afloat but Safely Aground 
  • NAP 
    Naphta 
  • Naphtha 
    Naphtha is a petroleum distillate containing principally aliphatic hydrocarbons. It is the primary source from which petrochemicals are derived. 
  • Naphtha 
    A product of crude oil or condensate refining which boils in roughly the same range as motor gasoline. In general, the naphtha distillation range spans from a bit less than 100 F, the boiling point of pentanes, through 300-400 F, depending on the intentio
  • Naphthalene 
    Naphthalene is a crystalline white solid hydrocarbon, with the empirical formula C10H8. It is volatile, forming a flammable vapor. It is predominantly manufactured from coal tar, and can be converted to phthalic anhydride for the manufacture of plastics,
  • Naphthenes 
    Hydrocarbon molecules with a carbon ring structure similar to aromatics. Naphthenes have saturated bonds rather than the unsaturated ones which characterize aromatics. Reformers make aromatics, the high-octane components they intend to produce, most easil
  • Naphthenic 
    High in naphthene-ring content. Lower than ordinary paraffins concentration. In some casual applications this adjective tacitly embraces aromatics as well as naphthenes, as in naphthenic naphtha. 
  • Naphthenic naphtha 
    A naphtha stream with a comparatively high concentration of naphthenes and aromatics. The terms reforming naphtha and N+A naphtha also identify this class of hydrocarbons. In general, American and Japanese companies regard a stream as naphthenic or highly
  • NARSUC 
    Navigation and Routing Sub-Committee 
  • National Strategy for Maritime Security 
    In December 2004 the President directed the Secretaries of the Department of Defense and Home- land Security to lead the Federal effort to develop a comprehensive National Strategy for Maritime Security, to better integrate and synchronize the existing De
  • Natural Antioxidant 
    An antioxidant which is naturally present in fat, e.g. tocopherols and tocotrienols. Their presence confers good keeping properties on the fat. Most vegetable oils have a relatively high content of tocopherol and tocotrienols. 
  • Natural gas 
    Colorless, highly flammable gaseous hydrocarbon consisting primarily of methane, ethane, and small amounts of heavier gaseous hydrocarbon compounds such as propane. Ethane and propane, also called natural gas liquids (NGL), are converted into ethylene and
  • Natural gasoline 
    The pentanes-and-heavier fraction produced by processing wet gas in an LNG or LPG plant. Such materials can substitute for paraffinic naphthas in a number of uses including, depending on the qualities of individual streams, gasoline blending and steam cra
  • Nautical Mile 
    Distance of one minute of longitude at the equator, approximately 6,076.115. The metric equivalent is 1852. 
  • Naval Cooperation and Guidance for Shipping (NCAGS) 
    It is a naval organization with members who are trained to establish and provide advice for safe pas- sage of merchant ships worldwide, during times of peace, tension, crisis and war. NCAGS personnel act as a liaison between military commanders and the ci
  • Naval Small Craft 
    Any small undefined naval vessels 
  • Navigation 
    The art and science of conducting a ship safely from one point to another 
  • NAVTEX 
    Navigational Warning Service Receiver 
  • NB / N.B. 
    Nota Bene: "Now, pay attention to this!" 
  • NULL
    A way of steering readers' attention toward something particularly important. 
  • NBR 
    Nitrile-butadiene-rubber. A synthetic rubber used in many applications, including the automotive industry. 
  • NCB 
    National Cargo Bureau 
  • NCEC 
    National Chemical Emergency Centre 
  • NCITD 
    National Committee on International Trade Documentation. 
  • NCP 
    National Oil and Hazardous Substances Pollution Contingency Plan 
  • NCR 
    Non-conformance report (ISM) 
  • NCS 
    Norwegian Continental Shelf 
  • NCSA 
    North Coast South America 
  • NCV 
    No commercial value 
  • NDFCAPMQS 
    No Deadfreight For Charterers Account Provided Minimum Quantity Supplied 
  • NDV 
    Net deadweight 
  • NE 
    Not Exceeding 
  • NE 
    Not East (of) 
  • NEAP TIDES 
    The opposite to Spring Tides 
  • NEC 
    Not Elsewhere Classified 
  • Negative Stability 
    Ship Stability: Exists when G is above M. The vessel will list to either side and will not remain upright. A list due to a negative initial stability is known as an angle of loll. 
  • NEGOS 
    Negotiations 
  • Negotiable Instruments 
    A document of title (such as a draft, promissory note, check, or bill of lading) transferable from one person to another in good faith for a consideration. Non–negotiable bills of lading are known as “straight consignment.” Negotiable bills are known as “
  • NEI 
    Not elsewhere included 
  • NEOBIG 
    Not East of but including Greece 
  • NEOBIGEAYF 
    Not east of but including Greece and excluding Albania, Yoguslavia and former Yoguslavia 
  • NEOBIGEYFY 
    Not east of but including Greece and excluding Yoguslavia and former Yoguslavia and Albania 
  • Neobulk 
    type of general cargo such as cars, timber, steel, etc.. 
  • NEP 
    Not elsewhere provided 
  • NES 
    Not Elsewhere Shown or Not Elsewhere Specified 
  • Nested 
    Articles packed so that one rests partially or entirely within another, thereby reducing the cubic–foot displacement. 
  • NESTING 
    Implies that cargo is presented stacked in the contour of similarly shaped cargo, it may be likened to a stack of plates 
  • Net Tare Weight 
    The weight of an empty cargo–carrying piece of equipment plus any fixtures permanently attached. 
  • Net Tonnage (NT, N.T. or nt) 
    A dimensionless index calculated from the total moulded volume of the ship's cargo spaces by using a mathematical formula. NT is based on a calculation of the volume of all cargo spaces of the ship. It indicates a vessel’s earning space and is a function
  • Net Weight 
    Weight of the goods alone without any immediate wrappings, e.g., the weight of the contents of a tin can without the weight of the can. 
  • Netback 
    Calculating the FOB value or price of a hydrocarbon from prices or values at delivery points. The derivation involves subtracting various costs such as freight, handling, interest, duties, transit losses, and commissions from reports or estimates of outle
  • Netlayer 
    A naval vessel for laying submarine nets from boom defences 
  • Nett Terms 
    Opposite to Gross Terms 
  • Neurotoxic 
    Capable of causing injury to the central nervous system (brain and spinal cord) and/or peripheral nervous system (nerves arising from the brain and spinal cord). Delayed neurotoxicity refers injury to the nervous system following a single exposure, but fo
  • Neutral Body 
    An organization established by the members of an ocean conference acts as a self–policing force with broad authority to investigate tariff violations, including authority to scrutinize all documents kept by the carriers and their personnel. Violations are
  • Neutral Oil 
    When a crude oil has been neutralised with an alkali, the residual material, i.e. crude oil less FFA, phosphatides, moisture and impurities, is then neutral oil. 
  • neutral stability 
    Ship Stability: Exists when G coincides with M. The vessel does not tend to return to an upright position if inclined, nor to continue its inclination if the inclining force is removed. 
  • Neutralization  
    The reduction of free fatty acids in a crude oil by the action of an alkali solution is ordinarily termed ""neutralisation"". 
  • New Worldscale 
    The Worldscale tanker rate schedule based on revised assumptions which take effect on January 1, 1989. 
  • Newbuilding 
    New ship under construction. 
  • NEWCI 
    Not east of West Coast Italy 
  • NEWCT 
    North East of West Coast Italy 
  • NFPA 
    National Fire Protection Association. This group of fire protection personnel established a rating system used on many labels of hazardous materials. This label consists of a diamond divided into four sections representing health, flammability, reactivity
  • NG 
    Nigeria 
  • NGL 
    Natural gas liquid 
  • NGL 
    Natural gas liquids. Natural gas processing yields a variety of liquids which can range from ethane to field condensate. The specific liquids included under this designation differ from company to company and from one part of the industry to another. 
  • NGO 
    Non-Governmental Organization 
  • NHC 
    No heat crude 
  • NHP 
    Nominal horse power 
  • NI 
    Nautical Institute 
  • NIOP 
    National Institute of Oilseed Products 
  • NIOSH 
    National Institute of Occupational Safety and Health. This agency of the public Health Service tests and certifies respiratory and air-sampling devices. It recommends to OSHA exposure limits for hazardous substances. It also investigates incidents and res
  • Nippon Kaiji Kyokai (NK) 
    A Japanese classification society which certifies seagoing vessels for compliance to standardized rules regarding construction and maintenance. 
  • NIS 
    Norwegian International Ship Registry 
  • Nitrogen Oxides (NOx) 
    Environmentally-harmful gases formed by the engine’s combustion process 
  • NJ 
    New Jason clause in C/P 
  • NK 
    Nippon Kaiji Kyokai 
  • NK or NKK 
    Nippon Kaiji Kyokai 
  • NKORL 
    No known or reported loss 
  • NLS 
    Noxious Liquid Substance 
  • NM 
    Nautical mile 
  • NMD 
    Norwegian Maritime Directorate 
  • NMFC 
    National Motor Freight Classification. 
  • NMPD 
    Nautical miles per day 
  • NN 
    Pipe Tunnel (OCIMF acronym) 
  • NNGWB 
    Not north of George Washington Bridge (i.e. New York) 
  • NNOGWB 
    Not North Of George Washington Bridge 
  • NO 
    Number 
  • No Great Shakes 
    When casks became empty they were "shaken" (taken apart) so the pieces, called shakes, could be stored in a small space. Shakes had very little value. 
  • No oil 
    ASTM's grade of oil for commercial applications which benefit from heavy fuel but lack heated storage tanks. Refiners sell heavy distillate or a blend of distillate and residue as No. 4 oil. Medium-speed diesels can burn a version of this product designat
  • No Room to Swing a Cat 
    The entire ship's company was required to witness flogging at close hand. The crew might crowd around so that the Bosun's Mate might not have enough room to swing his cat o' nine tails. 
  • No-heart crude 
    Crude fluid enough at ambient temperature to permit transportation in vessels which cannot heat it. 
  • No. 2 oil 
    ASTM's designation for distillate fuel oil intended for burning in household and light commercial furnaces. A companion grade, No. 2-D, fuels high-speed diesel engines. The USA, which relies more than other countries on ASTM specs to define oil products,
  • No. 5 oil 
    The ASTM grade of residue suitable for unheated storage in mild climates. 
  • No. 6 oil 
    Heavy fuel oil too viscous for burning without preheating. See residue. 
  • No–show 
    Cargo which has been booked but does not arrive in time to be loaded before the vessel sails. See also “Windy Booking.” 
  • NOA 
    Not overaged 
  • NOAA 
    National Oceanic and Atmospheric Administration 
  • NOBL 
    Not On Banned List 
  • NOC 
    Notice of cancellation 
  • NOE 
    Not otherwise enumerated 
  • NOEC 
    No observed effect concentration. The highest concentration of a material in a toxicity test that has no statistically significant adverse effect on the exposed population of test organisms compared with the controls. When derived from the life cycle or p
  • NOGRAIN 
    Grain Charter Party 
  • NOHP 
    Not otherwise herein provided 
  • NOI 
    Not Otherwise Indexed 
  • NOIBN 
    Not otherwise indicated by number, not otherwise indexed by name 
  • NOKUS - company 
    Norwegian controlled foreign company in lowtax country 
  • NOLA 
    New Orleans (Louisiana) 
  • NOM 
    Nominations 
  • Nomenclature of the Customs Cooperation Council 
    The Customs tariff used by most countries worldwide. It was formerly known as the Brussels Tariff Nomenclature and is the basis of the commodity coding system known as the Harmonized System. 
  • Nominated Vessel 
    The specific vessel which has been designated for a particular voyage. 
  • NON MECH 
    Non mechanical 
  • NON REV 
    Non Reversible 
  • Non-conformity 
    ISM definition of non-conformity: Non-conformity means an observed situation where objective evidence indicates the non-fulfilment of a specified requirement. Major non-conformity means an identifiable deviation that poses a serious threat to the safety  
  • Non-polar 
    See Immiscible 
  • NON-REVERSIBLE 
    then saved days will not be added to discharge time allowed. 
  • Non–Dumping Certificate 
    Required by some countries for protection against the dumping of certain types of merchandise or products. 
  • Non–Vessel Operating Common Carrier (NVOCC) 
    A cargo consolidator in ocean trades who will buy space from a carrier and sub–sell it to smaller ship- pers. The NVOCC issues bills of lading, publishes tariffs and otherwise conducts itself as an ocean common carrier, except that it will not provide the
  • Nonconjugated Fatty Acids 
    Polyunsaturated fatty acids exhibiting pairs of carbons separated by at least one saturated carbon atom. 
  • NOP 
    Net Operating Profit or Not Otherwise Provided 
  • NOP 
    Normal Operating Power (service speed) 
  • NOPAC 
    North Pacific (Ports) 
  • NOR 
    Not Otherwise Rated 
  • NOR 
    Notice of readiness. Shall mean the notice to the charterer, shipper, receiver or other person as required by the Charter Party that the Vessel has arrived at the Port or Berth, as the case may be, and is ready to load or discharge. 
  • NOR T & A 
    Notice of Readiness tendered and accepted 
  • NORA 
    Notice of readiness accepted 
  • NORT 
    Notice of Readiness tendered 
  • Northern grade 
    Motor gasoline that meets Colonial pipeline specifications for product delivered to points north of Greensboro, North Carolina. Both distillation range and volatility differentiate Northern grade gasoline from Southern grade. Finished gasoline must be mor
  • NOS 
    Not otherwise shown/specified or Numbers 
  • Nose 
    Front of a container or trailer–opposite the tail. 
  • Noxious 
    Harmful to personnel or the environment. 
  • NPA 
    n-Propyl Alcohol 
  • NPCFB 
    North Pacific Coast Freight Bureau. 
  • NPK 
    Nitro Phosphatic Kompound 
  • NPL 
    Norwegian policy lomits 
  • NPRA 
    National Petrochemical & Refiners Association (USA) 
  • NRAD 
    No risk after discharge 
  • NRC 
    National Response Centre 
  • NRT 
    Net Restricted Tonnage 
  • NRT – Net Register Tons see “Net Tonnage” 
    Theoretically the cargo capacity of the ship. Sometimes used to charge fees or taxes on a vessel. 
  • NS 
    Non-Scoring or No Sparring 
  • NSF 
    Norwegian sales form 
  • NSPF 
    Not specially/specifically provided for 
  • NSPF 
    Not specially/specifically provided for 
  • NSW 
    New South Wales (Australia) 
  • NT 
    Net Tonnage or Neap Tides or Net Terms 
  • NTC 
    Not to count 
  • NTCEIU 
    Not to count, even if used 
  • NTCEUU 
    Not to count, unless used 
  • NUBALTWOOD 
    Timber Charter Party 
  • Nuclear Fuel Carrier 
    A cargo vessel arranged to carry nuclear fuel in flasks 
  • Nuclear Fuel Carrier (with Ro-Ro facility) 
    A nuclear fuel carrier which is loaded and unloaded by way of a ro-ro ramp 
  • Nuclear Magnetic Resonance 
    The phenomenon of nuclear magnetic resonance (NMR) occurs when an appropriate radio frequency field is applied to a sample containing dipolar nuclei (e.g. protons in fat) placed in a strong d.c. magnetic field. Low resolution NMR spectrometry is used to m
  • NV 
    Norwegian Veritas 
  • NVIC 
    Navigation and Vessel Inspection Circular (USCG publication) 
  • NVOCC 
    Non-Vessel Operating Common Carrier 
  • NWE 
    North West Europe 
  • NWOBI 
    not west of but including 
  • NY or NYK 
    New York 
  • Nylon 
    A synthetic plastic material derived from benzene. Nylon can be used to form fibers, filaments, bristles, or sheets to be manufactured into yarn, fabric, and cordage; and it can be formed into moulded products. Nylon is tough, elastic and strong, and it h
  • NYPE 
    New York Produce Exhange (charter party) 
  • NYSA 
    The New York Shipping Association