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单词 pitometer
释义

pitometern.

Brit. /pᵻˈtɒmᵻtə/, U.S. /pəˈtɑmədər/
Origin: Formed within English, by compounding. Etymons: English pito , -meter comb. form2.
Etymology: < pito, representing the French pronunciation of the name of Henri Pitot (see pitot n.2) + -meter comb. form2.
Engineering and Nautical.
A flowmeter incorporating two pitot tubes, with one pressure opening facing upstream and the other downstream. Also called pitot meter.
ΚΠ
1904 Washington Post 11 Dec. 2/1 The average daily consumption of water in United States government departments and offices is as follows: By pitometer (U.S. gallons)—Capitol (during recess of Congress). 1,051,321.
1941 J. H. Perry Chem. Engineers' Handbk. (ed. 2) 838 The modified pitot tube known as a pitometer has one pressure opening facing upstream and the other facing downstream. The differential between the two openings is usually from 25 to 50 per cent more than that for a standard pitot tube.
1955 ‘C. S. Forester’ Good Shepherd ii. 25 That was the pitometer log reading.
1965 Limnol. & Oceanogr. 10 335/2 Ship's speed was obtained using a pitometer which is accurate to approximately 0.9 km/hr (0.5 knots).
This entry has been updated (OED Third Edition, June 2006; most recently modified version published online March 2022).
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n.1904
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