Crosswords Solver

Answer: antiparticle
Answer	Crossword Clue
ANTIPARTICLE	Positron, e.g.
antiparticle	the 'pair' of an elementary particle, particle and antiparticle being mutually destructive, having the same mass and spin but having opposite values for their other properties (eg charge, baryon number, strangeness)
antiparticle	A subatomic particle having the same mass as a given particle but opposite electric or magnetic properties. Every kind of subatomic particle has a corresponding antiparticle, e.g., the positron has the same mass as the electron but an equal and opposite charge

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.

Answer: antiparticle