[nok-tur-nl] /nɒkˈtɜr nl/
of or relating to the night (opposed to ).
done, occurring, or coming at night:
active at night (opposed to ):
opening by night and closing by day, as certain flowers (opposed to ).
Archaic. an astrolabe for telling time at night or for determining latitude by the position of certain stars in reference to Polaris.
of, used during, occurring in, or relating to the night
(of animals) active at night
(of plants) having flowers that open at night and close by day
late 15c., from Old French nocturnal “nightly, nocturnal,” or directly from Late Latin nocturnalis, from Latin nocturnus “belonging to the night,” from nox (genitive noctis) “night,” cognate with Old English neaht (see night) + -urnus, suffix forming adjectives of time. Nocturnal emission “involuntary ejaculation during sleep” first recorded 1813.
nocturnal noc·tur·nal (nŏk-tûr’nəl)
[non-noo-klee-er, -nyoo- or, by metathesis, -kyuh-ler] /nɒnˈnu kli ər, -ˈnyu- or, by metathesis, -kyə lər/ adjective 1. not utilizing , weapons, etc.: to fight a nonnuclear war.
[non-noo-klee-er, -nyoo- or, by metathesis, -kyuh-ler] /nɒnˈnu kli ər, -ˈnyu- or, by metathesis, -kyə lər/ adjective 1. not utilizing , weapons, etc.: to fight a nonnuclear war. adjective 1. not of, concerned with, or operated by energy from fission or fusion of atomic nuclei: non-nuclear weapons 2. not involving, concerned with, or possessing nuclear weapons: […]
[non-noo-klee-uh-sahyd, -nyoo-] /nɒnˈnu kli əˌsaɪd, -ˈnyu-/ noun, Pharmacology. 1. any of various antiviral drugs that bind directly to reverse transcriptase and prevent RNA conversion to DNA, used in combination with other drugs to treat HIV infection.
[noo-tree-uh nt, nyoo-] /ˈnu tri ənt, ˈnyu-/ adjective 1. ; providing nourishment or nutriment. 2. containing or conveying nutriment, as solutions or vessels of the body. noun 3. a nutrient substance. /ˈnjuːtrɪənt/ noun 1. any of the mineral substances that are absorbed by the roots of plants for nourishment 2. any substance that nourishes an […]