The First Particle __ Was Invented in 1911

This page is the CodyCross answer for the clue below from Inventions, Group 55, Puzzle 1.

Question

The First Particle __ Was Invented in 1911

Answer

DETECTOR

Word Meaning:

DETECTOR — A device capable of registering a specific substance or physical phenomenon, and that optionally sounds an alarm or triggers a warning.

Definitions from Wiktionary.

The first particle __ was invented in 1911 Inventions Answers