The Maximum Displacement of a Point on a Wave

This page is the CodyCross answer for the clue below from Past and Present Tech, Group 1453, Puzzle 3 (Camcorders).

Question is: The Maximum Displacement of a Point on a Wave

and the answer is: AMPLITUDE

Word Meaning:

AMPLITUDE — The measure of the size of something, especially its width or breadth; largeness, magnitude.

Definitions from Wiktionary.