Physics Principle About Soundwave Frequency
This page is the CodyCross answer for the clue below from California, Group 1153, Puzzle 2 (Most Populous State).
Question is: Physics Principle About Soundwave Frequency
and the answer is: DOPPLER
Word Meaning:
DOPPLER — (medicine, by ellipsis, informal) Ellipsis of Doppler ultrasonography: Any of various types of ultrasonography that use the Doppler effect; especially, medical versions thereof.
Definitions from Wiktionary.