PHOTONS
12
Scrabble
13
WWF
P(3) H(4) O(1) T(1) O(1) N(1) S(1)
NWL/TWL ✓ Collins ✓ WWF ✓
Definition
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.
Source: Wiktionary