Subatomic Particle With a Negative Electric Charge
Puzzle 16 of Women Inventors Hard Pack
Question is: Subatomic Particle With a Negative Electric Charge
and the answer is: VICTORIA
Word Meaning:
VICTORIA — A kind of low four-wheeled pleasure carriage, with a calash top, designed for two persons and the driver who occupies a high seat in front.
Definitions from Wiktionary.