The Antiparticle of an Electron
This page is the CodyCross answer for the clue below from Mesopotamia, Group 966, Puzzle 4 (Mural Paintings).
Question is: The Antiparticle of an Electron
and the answer is: POSITRON
Word Meaning:
POSITRON — (particle physics) The antimatter equivalent of an electron, having the same mass but a positive charge.
Definitions from Wiktionary.