barostatn.
/ˈbarəʊstat/ An automatic apparatus for regulating pressure; spec. a device that controls the pressure of fuel.
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barostat1929
1929 F. Daniels et al. Exper. Physical Chem. xviii. 301 The Bureau of Mines has developed a barostat for use in vacuum distillations.
1946 Jrnl. Royal Aeronaut. Soc. 50 363/2 Failures of fuel pumps, barostats and throttle valves were still far too common.
1951 Engineering 30 Mar. 368/1 A barostat-controlled timing device automatically opens the pilot's parachute.
1956 Flight 8 June 696/2 The pilot is automatically released from his seat after three seconds, whereupon the barostat in his parachute pack will ensure free fall down to 15,000 feet before the rip-cord is pulled by a spring.
This entry has not yet been fully updated (first published 1972; most recently modified version published online June 2018).
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n.1929