photon

名词 photon:

1. a quantum of electromagnetic radiation; an elementary particle that is its own antiparticle

pho.ton

n.（名词）
The quantum of electromagnetic energy, generally regarded as a discrete particle having zero mass, no electric charge, and an indefinitely long lifetime.See table at subatomic particle
光子，光量子：电磁能的量子，一般认为是有零质量、无电荷和不定长寿命的离散性粒子参见 subatomic particle
A unit of retinal illumination, equal to the amount of light that reaches the retina through square millimeter of pupil area from a surface having a brightness of candela per square meter.
光度：视网膜亮度单位，相当于每平方米有一烛光亮度的表面，通过一平方毫米的瞳孔区域，到达视网膜的光线数量

【引伸】
photon.ic
adj.（形容词）