verb (used with object), syn·to·nized, syn·to·niz·ing.

to render syntonic; tune to the same frequency.

Also especially British, syn·to·nise.

Origin of syntonize

First recorded in 1890–95; synton(y) + -ize
Related formssyn·to·ni·za·tion, nounsyn·to·niz·er, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for syntonize

Historical Examples of syntonize

  • It is found possible to "tune," or "syntonize," the aërial rod or wire of a receiving station with a transmitter.

    How it Works

    Archibald Williams