Definitions
from The Century Dictionary.
- noun A cock or valve through which a sample of a fluid may be drawn from a vessel or chamber for examination or test.
- noun On steam-boilers, a try-cock or gage-cock by which the level of the water in the boiler may be observed.
Etymologies
Sorry, no etymologies found.
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Examples
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Three times Mills lifted the test-cock handle and no trace of water appeared.
Ice Station Zebra MacLean, Alistair, 1922-1987 1963
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The generator consists of a rectangular tank in which is a generating chamber having a water-sealed lid with pressure test-cock _I_.
Acetylene, the Principles of Its Generation and Use W. J. Atkinson Butterfield
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