What is "syntonize"

Syntonize \Syn"to*nize\, v. t. [imp. & p. p. -nized; p. pr. & vb. n. -nizing.] [See Syntony.] (Physics) To adjust or devise so as to emit or respond to electric oscillations of a certain wave length; to tune; specif., to put (two or more instruments or systems of wireless telegraphy) in syntony with each other. -- Syn`to*ni*za"tion, n.

vb. (context electronics English) To adjust two electronic circuits or devices to operate on the same frequency.