Any of several species of Australian skinks in the genus Tiliqua.

(geology) An igneous, plutonic rock composed mainly of plagioclase. / (geology, dated) Quartz diorite.

plural of tonalite

plural of tonic water

Appropriate control of one's words.

plural of tongue depressor

A long narrow smooth piece of wood designed to depress the tongue, to allow for examination of the rear of the oral cavity. / (less commonly) Any device used to depress the tongue.

(physiology) The continuous and passive partial contraction of the muscles, which helps maintain posture.

plural of tone mark

(linguistics) A symbol used to indicate tones in tonal languages.