(archaic) A drum. / (anatomy, zootomy) The eardrum (tympanic membrane, membrana tympanica). / (anatomy, zootomy) The main portion of the middle ear: the tympanic cavity (cavitas tympani).

typewritten material, especially such a copy of a manuscript

(transitive) To transcribe into typewritten form.

A person who types, a clerical worker who writes letters, etc., using a typewriter.

(physics) (Of a semiconductor) in which conduction is due to the movement of positive holes rather than electrons.

(physics) (Of a semiconductor) in which conduction is due to the movement of electrons rather than positive holes.

(mathematics) A set of formulas that have n free variables of a certain sort

plural of Typhoid Mary

(astronomy) an indication of the physical and chemical characteristics of a star based on the spectrum of light that it emits

An extra tyre carried in case one of the vehicle's tyres is damaged or deflated. / (idiomatic) A large paunch and rolls of fat around the waist.