Heated Box to Keep Chicken Eggs Warm
This page is the CodyCross answer for the clue below from London, Group 482, Puzzle 1 (Double Decker Bus).
Question is: Heated Box to Keep Chicken Eggs Warm
and the answer is: INCUBATOR
Word Meaning:
INCUBATOR — (chemistry) Any apparatus used to maintain environmental conditions suitable for a reaction.
Definitions from Wiktionary.