Atomic Pile at a Nuclear Power Plant

This page is the CodyCross answer for the clue below from African grasslands, Group 1542, Puzzle 5 (Rock Monitor Lizard).

Question is: Atomic Pile at a Nuclear Power Plant

and the answer is: REACTOR

Word Meaning:

REACTOR — A person who responds to a suggestion, stimulation or other influence.

Definitions from Wiktionary.