Diathermy Uses Heat to Destroy __ Cells

This page is the CodyCross answer for the clue below from Circus, Group 98, Puzzle 4 (Roustabout).

Question is: Diathermy Uses Heat to Destroy __ Cells

and the answer is: ABNORMAL

Word Meaning:

ABNORMAL — Not conforming to rule or system; deviating from the usual or normal type.

Definitions from Wiktionary.

Diathermy uses heat to destroy __ cells — CodyCross Answer | CodyCross Solutions