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cryostat

[krahy-uh-stat]
noun
  1. an apparatus, usually automatic, maintaining a very low constant temperature.

Origin of cryostat

First recorded in 1910–15; cryo- + -stat
Related formscry·o·stat·ic, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for cryostat

cryostat

noun
  1. an apparatus for maintaining a constant low temperature or a vessel in which a substance is stored at a low temperature
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012