tono-

a combining form with the meanings “stretching,” “tension,” “tone,” used in the formation of compound words: tonometer.

Origin of tono-

< Greek tón(os) (see tone) + -o-

Words nearby tono-

tonnage, tonnage deck, tonne, tonneau, tonner, tono-, tonoclonic, tonoclonic spasm, tonofibril, tonofilament, tonograph

Medical definitions for tono-

tono-

pref.

Tone; tension; pressure:tonography.