An Etymological Dictionary of Astronomy and Astrophysics

An enclosed space making part of a laboratory apparatus, such as → bubble chamber, → cloud chamber, → multiwire proportional chamber.

Etymology (EN): M.E., from O.Fr. chambre, from L.L. camera “a chamber, room.”

Etymology (PE): Otâqak “small room, small chamber,” cf. Sogdian ôtâk “place, region,” ôtâkcik “local, regional, native” + -ak diminutive suffix.