(mineralogy) An orthorhombic-dipyramidal mineral containing oxygen, sodium, and sulfur.

(archaic) At that time; then; in those days.

(anatomy) Of or pertaining to the thenar

(obsolete) From that place; therefrom.

plural of thenable

(set phrase) The situation, behavior, or opinion of a person or group has changed considerably; the circumstances or characteristics of something have changed considerably.

(programming) An object or function that exposes a then method returning a promise.

Used to move or return to another subject of discussion. / A mild admonishment. / A greeting.

plural of thenoyltrifluoroacetone

(organic chemistry) A chemical compound used pharmacologically as a chelating agent.