1. Producing and restoring the normal tone.

2. Characterised by continuous tension.

3. A term formerly used for a class of medicinal preparations believed to have the power of restoring normal tone to tissue.

Origin: Gr. Tonikos

Retrieved from "http://www.biology-online.org/bodict/index.php?title=Tonic&oldid=13637"
First | Previous (Tongueworm) | Next (Tonic-clonic seizure) | Last
Please contribute to this project, if you have more information about this term feel free to edit this page.