cryostat

cryo- +‎ -stat

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cryostat (plural cryostats)

1. Any device used to maintain a constant low temperature.
2. (biology) A microtome held at a constant low temperature.
   • 2021 July 28, Barbara Casassus, “France issues moratorium on prion research after fatal brain disease strikes two lab workers”, in Science‎:

     For Jaumain […] that long period of uncertainty began on 31 May 2010, when she stabbed her left thumb with a curved forceps while cleaning a cryostat—a machine that can cut tissues at very low temperatures—that she used to slice brain sections from transgenic mice infected with a sheep-adapted form of BSE.

• cryostasis
• cryostatic