Definitions
from The Century Dictionary.
- noun Having the expansion from initial to final pressure in three steps or stages: used of steam in a steam-engine or of an engine itself in which the steam expands continuously in three cylinders of successively increasing volume, or in which more than three cylinders cause the steam to expand progressively, the exhaust from one being the driving steam for the next in series, in three such processes of expansion.
Etymologies
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Examples
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The Embassage, 9,300 tons, with a raked stem and rounded stern and three triple-expansion coal-burning engines, was a non-starter in the aesthetic stakes, but then J.L. Thompson were not interested in aesthetics: what they had aimed at was a modern, practical and economical cargo vessel and in this they succeeded admirably.
San Andreas MacLean, Alistair 1984
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Old Kep had just put new triple-expansion engines into her before she changed hands.
Golden Stories A Selection of the Best Fiction by the Foremost Writers Various
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She will be supplied by Messrs. Hawthorn, Leslie & Co., of Newcastle on Tyne, with two sets of vertical triple-expansion engines, capable of developing collectively
Scientific American Supplement, No. 832, December 12, 1891 Various
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As it sank again, the engines -- and they were triple-expansion, three cylinders in
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Messrs. Inglis fitted her with triple-expansion engines, which we shall illustrate in another impression, having cylinders 26 inches, 42 inches and 65 inches in diameter, with a 42 inch stroke.
Scientific American Supplement, No. 1157, March 5, 1898 Various
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They are vertical triple-expansion engines, and are being constructed by MM.
Scientific American Supplement, No. 803, May 23, 1891 Various
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They will have triple-expansion or compound direct-acting surface-condensing engines and twin screws, Thornycroft's patent tubular boilers, double rudders, electric search lights, three masts and sails.
Scientific American Supplement, No. 586, March 26, 1887 Various
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She had triple-expansion engines of two thousand indicated horse power, two
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There would be much talk of pistons, displacement of cylinders, stroke, reciprocating engines, steeple compound and triple-expansion engines,
Cappy Ricks Retires 1918
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It never went dotty at the time you needed it most and it was a vertical inverted triple-expansion direct-acting propeller! '
Love, the Fiddler Lloyd Osbourne 1907
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