Crosswords Solver

Answer: heterodyne
Answer	Crossword Clue
heterodyne	to change the frequency of (a signal) by imposing on a continuous wave another of slightly different length to produce beats
heterodyne	Of or relating to the production of a lower frequency from the combination of two almost equal high frequencies, as used in radio transmission

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.

Answer: heterodyne