[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)
- Nocturnal myoclonus
nocturnal myoclonus n. Frequently repeated muscular jerks at the moment of dropping off to sleep.
[nok-turn] /ˈnɒk tɜrn/ noun, Music. 1. a piece appropriate to the night or evening. 2. an instrumental composition of a dreamy or pensive character. /ˈnɒktɜːn/ noun 1. a short, lyrical piece of music, esp one for the piano 2. a painting or tone poem of a night scene n. 1862, “composition of a dreamy character,” […]
[nok-yoo-uh s] /ˈnɒk yu əs/ adjective 1. likely to cause damage or injury; harmful; noxious. /ˈnɒkjʊəs/ adjective 1. (rare) harmful; noxious adj. 1630s, “noxious, harmful,” from Latin nocuus “harmful,” from stem of nocere “to hurt, injure, harm” (see innocuous).
- No-cut contract
[noh-kuht] /ˈnoʊˌkʌt/ noun, Informal. 1. a professional athlete’s contract guaranteeing that he or she will remain on the team’s roster for a specified time.