Glossary · MWE Terms · N
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TermTypeDefinitionClassificationsUpdated
Northern MammothnounMWEvery hairy mammoth common in colder portions of the northern hemisphereverified
Northern Pitch PinenounMWElarge three-needled pine of the eastern United States and southeastern Canadaverified
Northern PorgynounMWEfish found in the Atlantic coastal waters of North America from South Carolina to Maineverified
Northern Red OaknounMWElarge symmetrical deciduous tree with rounded crown widely distributed in eastern North Americaverified
Northern ScupnounMWEfound in Atlantic coastal waters of North America from South Carolina to Maineverified
Northern White CedarnounMWEsmall evergreen of eastern North America having tiny scalelike leaves on flattened branchletsverified
Northern WoodsianounMWEslender fern of northern North America with shining chestnut-colored stipes and bipinnate fronds with usually distinct marginal soriverified
Nose ConenounMWEfront consisting of the conical head of a missile or rocket that protects the payload from heat during its passage through the atmosphereverified
Nose RingnounMWEa ring worn on the nose as an ornament or on the nose of an animal to control itverified
Nota BenenounMWEa Latin phrase (or its abbreviation) used to indicate that special attention should be paid to somethingverified
Notary PublicnounMWEsomeone legally empowered to witness signatures and certify a document's validity and to take depositionsverified
Note ReceivablenounMWEyour right in a promissory note in which the maker promises to pay a certain amount of money at a certain timeverified
notification procedurenounMWEA plan of action adopted by the organization for how and when the appropriate individuals are notified.verified
notification requirementnounMWEThe obligation to officially inform a party of something important.verified
Noughts and CrossesnounMWEa game in which two players alternately put crosses and circles in one of the compartments of a square grid of nine spacesverified
Nouvelle CuisinenounMWEa school of French cooking that uses light sauces and tries to bring out the natural flavors of foods instead of making heavy use of butter and creamverified
NSA-Approved CryptographynounMWECryptography that consists of an approved algorithm, an implementation that has been approved for the protection of classified information and/or controlled unclassified information in a specific environment, and a supporting key management infrastructure. [8]verified
Nuclear DeterrencenounMWEthe military doctrine that an enemy will be deterred from using nuclear weapons as long as he can be destroyed as a consequenceverified
Nuclear EngineeringnounMWEthe branch of engineering concerned with the design and construction and operation of nuclear reactorsverified
Nuclear FamilynounMWEa family consisting of parents and their children and grandparents of a marital partnerverified
Nuclear FissionnounMWEa nuclear reaction in which a massive nucleus splits into smaller nuclei with the simultaneous release of energyverified
Nuclear FuelnounMWEfuel (such as uranium) that can be used in nuclear reactors as a source of electricityverified
Nuclear FusionnounMWEa nuclear reaction in which nuclei combine to form more massive nuclei with the simultaneous release of energyverified
Nuclear MedicinenounMWEthe branch of medicine that uses radioactive materials either to image a patient's body or to destroy diseased cellsverified
Nuclear MeltdownnounMWEsevere overheating of the core of a nuclear reactor resulting in the core melting and radiation escapingverified
Nuclear PhysicsnounMWEthe branch of physics that studies the internal structure of atomic nucleiverified
Nuclear PowernounMWEnuclear energy regarded as a source of electricity for the power grid (for civilian use)verified
Nuclear PropulsionnounMWEthe use of a nuclear reactor either to produce electricity to power an engine (as in a nuclear submarine) or to directly heat a propellant (as in nuclear rockets)verified
Nuclear ReactionnounMWE(physics) a process that alters the energy or structure or composition of atomic nucleiverified
Nuclear ReactornounMWE(physics) any of several kinds of apparatus that maintain and control a nuclear reaction for the production of energy or artificial elementsverified
Nuclear ResonancenounMWEthe resonance absorption of a gamma ray by a nucleus identical to the nucleus that emitted the gamma rayverified
Nuclear RocketnounMWEa rocket engine in which a nuclear reactor is used to heat a propellantverified
Nuclear TerrorismnounMWEthe use of a nuclear device by a terrorist organization to cause massive devastation or the use (or threat of use) of fissionable radioactive materialsverified
Nuclear TransplantationnounMWEmoving a cell nucleus and its genetic material from one cell to anotherverified
Nuclear WeaponnounMWEa weapon of mass destruction whose explosive power derives from a nuclear reactionverified
Nuclear WinternounMWEa long period of darkness and extreme cold that scientists predict would follow a full-scale nuclear warverified
Nuclear-Powered ShipnounMWEship whose motive power comes from the energy of a nuclear reactorverified
Nucleic AcidnounMWE(biochemistry) any of various macromolecules composed of nucleotide chains that are vital constituents of all living cellsverified
Nucleolar OrganisernounMWEthe particular part of a chromosome that is associated with a nucleolus after nuclear divisionverified