- Electricity. adjusted to oscillations of the same or a particular frequency.
- Psychiatry. of or denoting a personality characterized by normal emotional responsiveness to the environment.
Also syn·ton·i·cal, syntonous.
Origin of syntonic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for syntonic
Page 77, printer's error, systonic for syntonic, 'the systonic transmitting'.Hertzian Wave Wireless Telegraphy
John Ambrose Fleming
- psychol emotionally in harmony with one's environment
C20: from Greek suntonos in harmony with; see syn-, tone
- Characterized by a normal emotional responsiveness to the environment.