Search Result for "cryostat": 
Wordnet 3.0

NOUN (1)

1. a thermostat that operates at very low temperatures; 



The Collaborative International Dictionary of English v.0.48:

cryostat \cry"o*stat\ n.
   a thermostat that operates at very low temperatures.
   [WordNet 1.5]


WordNet (r) 3.0 (2006):

cryostat
    n 1: a thermostat that operates at very low temperatures