Category:Cryophorus

Cry*oph"o*rus (kr-f"-rs), n. Etym: [NL., fr. Gr. (Chem.)

Defn: An instrument used to illustrate the freezing of water by its own evaporation. The ordinary form consist of two glass bulbs, connected by a tube of the same material, and containing only a quantity of water and its vapor, devoid of air. The water is in one of the bulbs, and freezes when the other is cooled below 32º Fahr.