Turn on the Oven to Get It to Temperature
This page is the CodyCross answer for the clue below from Physics, Group 1890, Puzzle 5 (X-Ray Machine).
Question is: Turn on the Oven to Get It to Temperature
and the answer is: PREHEAT
Word Meaning:
PREHEAT — (transitive) To heat beforehand or in advance, to heat something in preparation for further action.
Definitions from Wiktionary.