photon

大学 FREQ #24193 ★☆☆☆☆

n. 光子, 光量子, 光度 [化] 光量子; 光子

发音

其它 /ˈfəʊtɒn/

词形变化

photons 复数 photons

教材释义与例句

名词

光子；辐射量子；见光度（等于light quantum）

释义与例句

n.
  1. 1.

    The quantum of light and other electromagnetic energy, regarded as a discrete particle having zero rest mass, no electric charge, and an indefinitely long lifetime. It is a gauge boson.

    光子

    物理

词汇关系

名词

上位词 1

gauge boson

整体词 2

electromagnetic radiation electromagnetic wave

相关短语

photon belt photon tunnelling photon belts photon sail photon sails photon sphere photon circle photon spheres photon circles photon mapping photon mappings dual photon absorptiometry dual photon absorptiometries last photon orbit last photon orbits

词源

From photo- + -on. Coined by American physicist Leonard Troland in 1916 as a unit of light hitting the retina, and later popularized in a more modern sense by Gilbert N. Lewis, with the term gaining acceptance in the physics community by the late 1920s.

来源：wiktionary