Word · Frequency #14368
radiant
/ˈreɪdiənt/
noun
辐射源点,发射辐射的点源
- 1.
A point source from which radiation is emitted.
辐射源点,发射辐射的点源
- 2.
The apparent origin, in the night sky, of a meteor shower.
流星雨在夜空中的辐射点
- 3.
A straight line proceeding from a given point, or fixed pole, about which it is conceived to revolve.
从给定点或固定极点引出的直线
流星雨在夜空中的辐射点；从给定点或固定极点引出的直线
Connections
Learner notes
Usage priority
Collins 词频等级为 1，建议结合例句记忆，而不是只背中文释义。
Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.