英语词源字典 - 在线词源网站

nervine [nervine 词源字典]: "(Of a medicine) used to calm the nerves", Mid 17th century: from medieval Latin nervinus 'of the nerves or sinews', or suggested by French nervin.[nervine etymology, nervine origin, 英语词源]
neanic: "Designating the later stages of an animal's growth, in which it acquires adult characteristics", Late 19th cent.; earliest use found in Sydney Buckman (1860–1929), geologist and palaeontologist. From ancient Greek νεανικός youthful from νεανίας young man (from νέος new, young + an element or elements of disputed origin) + -ικός.
niveous: "Snowy or resembling snow", Early 17th century: from Latin niveus (from nix, niv- 'snow') + -ous.
non-vegetarian: "Characteristic of or designating a person (or occasionally animal) that eats meat; that is not vegetarian", Late 19th cent.; earliest use found in Racine (Wisconsin) Advocate. From non- + vegetarian.
nonan: "Of a fever: recurring every eighth day (by inclusive reckoning every ninth day)", Early 17th cent.; earliest use found in Philemon Holland (1552–1637), translator. From classical Latin nōnus ninth + -an, probably after French †nonane. Compare classical Latin nōnānus belonging to the ninth legion.
nudely: "Barely, simply, plainly; in an unclothed or unconcealed state", Mid 17th cent.; earliest use found in John Donne (1572–1631), poet and Church of England clergyman.
narine: "= narial", Mid 17th cent.; earliest use found in Henry Oldenburg (c1619–1677), scientific correspondent and secretary of the Royal Society. From classical Latin nāris nare + -ine.
nivation: "Erosion of the ground beneath and at the sides of a snow bank, mainly as a result of alternate freezing and thawing", Early 20th century: from Latin nix, niv- 'snow' + -ation.
Naturphilosophie: "The theory that there is an eternal and unchanging law of nature, proceeding from the Absolute, from which all laws governing natural phenomena and forces derive", Early 19th cent.; earliest use found in Samuel Taylor Coleridge (1772–1834), poet, critic, and philosopher. From German Naturphilosophie from Natur + Philosophie.
noctambulant: "That walks or moves about at night; somnambulant", Late 17th cent. From nocti- + classical Latin ambulant-, ambulāns, present participle of ambulāre to walk.
notornis: "Another term for takahe", Mid 19th century: from Greek notos 'south' + ornis 'bird'.
non est inventus: "‘The person is not to be found’: a phrase used by a sheriff in returning a writ, as a statement that the defendant is not to be found in the sheriff's jurisdiction", Late 15th cent.; earliest use found in Mankind. From post-classical Latin non est inventus he was not found from classical Latin nōn not + est inventus he is found, 3rd singular perfect passive indicative of invenīre.
nucivorous: "Feeding on nuts", Mid 19th cent.; earliest use found in William Kirby (1759–1850), entomologist and naturalist. From nuci- + -vorous.
neo-imperialism: "A new or modern form of, or a revival of, imperialism", Early 20th cent. From neo- + imperialism.
nutraceutical: "Another term for functional food", 1990s: from Latin nutrire 'nourish' + pharmaceutical.
nephology: "The study or contemplation of clouds", Late 19th century: from Greek nephos 'cloud' + -logy.
nubilous: "Clouded in appearance; foggy, misty", Mid 16th cent.; earliest use found in John Bellenden (c1495–a1548), poet and translator. Either from classical Latin nūbilōsus cloudy (2nd cent. a.d.; from nūbilus + -ōsus), or from classical Latin nūbilus cloudy, dim, confused (from nūbēs cloud (perhaps cognate with Baluchi nōd) + -ilus, suffix forming adjectives) + -ous.
neper: "A unit of measurement used in comparing voltages, currents, and power levels, especially in communication circuits. The difference between two values in nepers is equal to the natural logarithm of their ratio for voltages and currents or to half of this for power differences", Early 20th century: from Neperus, Latinized form of Napier (see Napier, John).
nyctalopia: "A condition characterized by an abnormal inability to see in dim light or at night, typically caused by vitamin A deficiency", Late 17th century: via late Latin from Greek nuktalōps, from nux, nukt- 'night' + alaos 'blind' + ōps 'eye'.
nitinol: "An alloy of nickel and titanium", 1960s: from the chemical symbols Ni and Ti + the initial letters of Naval Ordnance Laboratory (in Maryland, US).