Syn"to*ny (?), n. [Cf. Gr. &?; agreement. See Syn-; Tone.] (Physics) State of being adjusted to a certain wave length; agreement or tuning between the time period of an apparatus emitting electric oscillations and that of a receiving apparatus, esp. in wireless telegraphy.

Syn"to*ny (?), n. [Cf. Gr. &?; agreement. See Syn-; Tone.] (Physics) State of being adjusted to a certain wave length; agreement or tuning between the time period of an apparatus emitting electric oscillations and that of a receiving apparatus, esp. in wireless telegraphy.