| 释义 |
non-luminous
adjective
chemistry, physics specialized(alsononluminous)uk /ˌnɒnˈluː.mɪ.nəs/ us /ˌnɑːnˈluː.mə.nəs/
not producing or reflecting bright light: 不发出或反射强光的
A planet is a nonluminous body gravitationally bound to the Sun or a star. 行星是被太阳或恒星引力束缚的非发光天体。
If we place a wire-gauze cap over the gas jet, it burns with a non-luminous flame.
A small amount of a salt is heated in a non-luminous Bunsen flame.
Non-luminous objects do not have their own source of light energy and hence cannot emit light.
This difference is much greater in the luminous rays of light than in the non-luminous.
SMART Vocabulary: related words and phrases
Giving out light
afire
albedo
aura
backlit
beam
beamy
bioluminescence
flicker
gleam
glimmer
glitter
luminously
noctilucent
non-glare
out-glitter
overlit
reflected ray
shine
spotlight
wink
You can also find related words, phrases, and synonyms in the topics:
Darkness & becoming dark
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