photon

About 3.88 uses per million words.

Meaning

1. noun 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.

Similar words

light errant light quantum gamma photon gamma quantum x-ray photon gauge boson proto-photon superphoton monophoton

Often followed by

energy emission is absorption of energies flux and counting

Word family

photonic photons