air gaugen.

Brit.

/ˈɛː ɡeɪdʒ/, U.S.

/ˈɛr ˌɡeɪdʒ/

Forms: see air n.¹ and gauge n.

Origin: Formed within English, by compounding. Etymons: air n.¹, gauge n.

Etymology: < air n.¹ + gauge n.

An instrument for measuring and indicating the pressure of air or other gases.

ΘΚΠ

the world > matter > physics > mechanics > force > [noun] > pressure > fluid pressure > measuring instruments

air gauge1787

piezometer1820

gas gauge1836

pressure gauge1836

thermometer-gauge1841

kymograph1855

telemanometer1884

tensimeter1907

isoteniscope1910

Pirani gauge1911

Knudsen gauge1918

Knudsen manometer1961

1787 W. Nicholson Introd. Nat. Philos. II. (ed. 2) ii. vi. 106 (heading) Imperfections of air-gages.

1790 W. Nicholson Introd. Nat. Philos. (ed. 3) II. vi. 106 (heading) Imperfections of air-gages.

1841 Civil Engineer & Architect's Jrnl. 4 13/1 The..instruments employed..to determine the pressure of the steam,..namely, the barometer-gauge, the air-gauge, etc.

1881 Times 17 Sept. 11/6 He saw the Manchester express engine 15 minutes after the collision, and he..did not notice the valve or air gauge of the Westinghouse brake.

1901 Philos. Trans. (Royal Soc.) A. 196 78 The heights of mercury in the air-gauge and in the volume-tube were read, both during ascending and during descending pressure.

1951 C. W. Kennedy Inspection & Gaging ix. 293 An error would result if the air gage were zeroed against a 5-microinch surface and then used to compare the diameter of a bore with a 200-microinch surface roughness.

2000 Measurem. Sci. & Technol. 11 937/1 The air gauge used to measure the absolute surface recession at a point was also kinematically mounted.

This entry has been updated (OED Third Edition, June 2008; most recently modified version published online December 2021).

单词	air gauge
释义	air gaugen. Brit. /ˈɛː ɡeɪdʒ/, U.S. /ˈɛr ˌɡeɪdʒ/ Forms: see air n.¹ and gauge n. Origin: Formed within English, by compounding. Etymons: air n.¹, gauge n. Etymology: < air n.¹ + gauge n. An instrument for measuring and indicating the pressure of air or other gases. ΘΚΠ the world > matter > physics > mechanics > force > [noun] > pressure > fluid pressure > measuring instruments air gauge1787 piezometer1820 gas gauge1836 pressure gauge1836 thermometer-gauge1841 kymograph1855 telemanometer1884 tensimeter1907 isoteniscope1910 Pirani gauge1911 Knudsen gauge1918 Knudsen manometer1961 1787 W. Nicholson Introd. Nat. Philos. II. (ed. 2) ii. vi. 106 (heading) Imperfections of air-gages. 1790 W. Nicholson Introd. Nat. Philos. (ed. 3) II. vi. 106 (heading) Imperfections of air-gages. 1841 Civil Engineer & Architect's Jrnl. 4 13/1 The..instruments employed..to determine the pressure of the steam,..namely, the barometer-gauge, the air-gauge, etc. 1881 Times 17 Sept. 11/6 He saw the Manchester express engine 15 minutes after the collision, and he..did not notice the valve or air gauge of the Westinghouse brake. 1901 Philos. Trans. (Royal Soc.) A. 196 78 The heights of mercury in the air-gauge and in the volume-tube were read, both during ascending and during descending pressure. 1951 C. W. Kennedy Inspection & Gaging ix. 293 An error would result if the air gage were zeroed against a 5-microinch surface and then used to compare the diameter of a bore with a 200-microinch surface roughness. 2000 Measurem. Sci. & Technol. 11 937/1 The air gauge used to measure the absolute surface recession at a point was also kinematically mounted. This entry has been updated (OED Third Edition, June 2008; most recently modified version published online December 2021). < n.1787
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