Glossary · Nouns · N
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TermTypeDefinitionClassificationsUpdated
Noradrenalinenouna catecholamine precursor of epinephrine that is secreted by the adrenal medulla and also released at synapsesverified
Norepinephrinenouna catecholamine precursor of epinephrine that is secreted by the adrenal medulla and also released at synapsesverified
Norethandrolonenouna synthetic progestational hormone (trade name Norlutin) used in oral contraceptives and to treat endometriosisverified
Norethindronenouna synthetic progestational hormone (trade name Norlutin) used in oral contraceptives and to treat endometriosisverified
Norethindrone AcetatenounMWEa synthetic progestational hormone (trade name Norlutin) used in oral contraceptives and to treat endometriosisverified
Norethynodrelnouna progesterone derivative used in oral contraceptives and in the control of menstruation and the treatment of abnormal uterine bleedingverified
Normal DwarfnounMWEan achondroplastic dwarf whose small size is the result of a genetic defectverified
Normal FaultnounMWEan inclined fault in which the hanging wall appears to have slipped downward relative to the footwallverified
Normal FlownounMWEThe intended flow of a process originating from a start event, continuing through all defined activities, and concluding successfully to its defined end event.Process
Normalitynoun(of a solution) concentration expressed in gram equivalents of solute per literverified
North-Seeking PolenounMWEthe pole of a magnet that points toward the north when the magnet is suspended freelyverified
Northern Casque-Headed FrognounMWEterrestrial burrowing nocturnal frog of grassy terrain and scrub forests having very hard upper surface of headverified
Northern Dune TansynounMWElightly hairy rhizomatous perennial having aromatic feathery leaves and stems bearing open clusters of small buttonlike yellow flowersverified
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
Nortriptylinenouna tricyclic antidepressant drug (trade name Pamelor) used along with psychotherapy to treat dysthymic depressionverified
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
Nosewheelnouna wheel located under the nose of an airplane that is part of the plane's landing gearverified