noctilucent


noctilucent
noc·ti·lu·cent

English syllables. 2014.

Look at other dictionaries:

  • noctilucent — [näk΄tə lo͞o′sənt] adj. [ NOCTI + LUCENT] shining in the night: said esp. of high altitude clouds (75 to 90 km or 46 to 56 mi above the earth) that reflect twilight to the earth long after sunset or long before sunrise …   English World dictionary

  • noctilucent — adjective shining or glowing by night the noctilucent eyes of a cat • Similar to: ↑bright …   Useful english dictionary

  • noctilucent — noctilucence, n. /nok teuh looh seuhnt/, adj. Meteorol. (of high altitude clouds) visible during the short night of the summer. [1885 90; NOCTI + LUCENT] * * * …   Universalium

  • noctilucent — adjective Shining or glowing at night, especially of very high altitude clouds that reflect sunlight long after sunset …   Wiktionary

  • noctilucent — noc•ti•lu•cent [[t]ˌnɒk təˈlu sənt[/t]] adj. mer (of high altitude clouds) visible during the short night of the summer • Etymology: 1885–90; < Lnocti =noct , s. of nox night + i +lucent noc ti•lu′cence, n …   From formal English to slang

  • noctilucent — /nɒktəˈlusənt/ (say noktuh loohsuhnt) adjective 1. shining at night; phosphorescent. 2. Meteorology (of clouds) very high and cirrus like, visible during the short night of summer and believed to be of meteor dust shining with reflected sunlight …   Australian English dictionary

  • Noctilucent cloud — Polar mesospheric cloud Noctilucent clouds over Kuresoo bog, Viljandimaa, Estonia Abbreviation NLC/PMC Altitude …   Wikipedia

  • noctilucent cloud — noun Etymology: noctilucent ultimately from Latin noct + lucent , lucens lucent Date: 1910 a luminous thin usually colored cloud seen especially at twilight at a height of about 50 miles (80 kilometers) …   New Collegiate Dictionary

  • noctilucent cloud — ▪ meteorology       rare cloud form, probably composed of ice crystals and meteoric dust, that occurs at a higher altitude than any other cloud form (about 82 km [50 miles]). It is silvery or bluish white and is visible only on summer nights in… …   Universalium

  • noctilucent clouds — Clouds of unknown composition that occur at great heights, 45 to 55 miles (70–90 km). They resemble thin cirrus clouds but usually with a bluish or silverish color, although sometimes orange to red, standing out against a dark night sky. Also… …   Aviation dictionary


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