luxon

n. [物]勒克桑,国际光子(视网膜照度单位)

发音

UK /ˈlʌk.sɒn/
US /ˈlʌk.sɑn/

词形变化

luxons 复数 luxons

释义与例句

n.
  1. 1.

    Any particle that travels at exactly the speed of light and has zero mass: typically a photon.

    物理

词源

From Latin lux (“light”) + -on.

来源：wiktionary