Antiparticle of a Fundamental Elementary Particle
This page is the CodyCross answer for the clue below from Making a Documentary, Group 1519, Puzzle 5 (Chronicled Footage).
Question is: Antiparticle of a Fundamental Elementary Particle
and the answer is: ANTIQUARK
Word Meaning:
ANTIQUARK — (particle physics) The antiparticle of a quark.
Definitions from Wiktionary.