air drainn.

Brit.

/ˈɛː dreɪn/, U.S.

/ˈɛr ˌdreɪn/

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

Etymology: < air n.¹ + drain n.

1. A covered channel round the external walls of a building to prevent damp; cf. dry area n. at dry adj. and adv. Compounds 3.

ΘΚΠ

society > inhabiting and dwelling > inhabited place > a building > parts of building > [noun] > foundations > parts of

foundation stone1651

touching1663

footstone1728

substrate1730

found1818

air drain1833

damp-course1876

damp-proof course1876

foundation-trench1942

foundation deposit1955

1833 Hort. Reg. 2 493 Air-Drain to force the heated air in the hollow wall into the atmosphere of the pit through the holes.

1843 Jrnl. Royal Agric. Soc. 4 357 An air drain round the building is, in damp situations, highly useful.

1882 Cent. Mag. Mar. 791/1 These methods of keeping walls dry are excellent when dry areas or air-drains cannot be conveniently constructed.

1991 Community Express (Austral.) (Nexis) 22 Oct. Rising damp had been a problem for the GPO building, and the air-drain technique was used to preserve buildings of historic value.

2005 Daily Business Alerts Newswire (Austral.) (Nexis) 9 Dec. The money would be used to treat rising damp problems and construct air drains, restore timber decking to the verandah and repair stonework.

2. A device through which air is drained. rare.

ΘΚΠ

society > occupation and work > equipment > machine > machines which impart power > engine > [noun] > parts of

helm1663

spring-beam?1794

steam-jacket1838

cut-off1849

steam-jacketing1870

starting block1881

timing chain1889

timing mark1901

decelerator1907

air drain1908

plenum chamber1908

reservoir1920

1908 Bismarck (N. Dakota) Daily Tribune 4 Dec. 5 Paulson had one hand badly crushed when he sought to take an air drain off an engine.

1982 Syracuse (N.Y.) Herald-Amer. 25 July 59/6 (advt.) Air drain valves for tractors & trailers.

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

单词	air drain
释义	air drainn. Brit. /ˈɛː dreɪn/, U.S. /ˈɛr ˌdreɪn/ Origin: Formed within English, by compounding. Etymons: air n.¹, drain n. Etymology: < air n.¹ + drain n. 1. A covered channel round the external walls of a building to prevent damp; cf. dry area n. at dry adj. and adv. Compounds 3. ΘΚΠ society > inhabiting and dwelling > inhabited place > a building > parts of building > [noun] > foundations > parts of foundation stone1651 touching1663 footstone1728 substrate1730 found1818 air drain1833 damp-course1876 damp-proof course1876 foundation-trench1942 foundation deposit1955 1833 Hort. Reg. 2 493 Air-Drain to force the heated air in the hollow wall into the atmosphere of the pit through the holes. 1843 Jrnl. Royal Agric. Soc. 4 357 An air drain round the building is, in damp situations, highly useful. 1882 Cent. Mag. Mar. 791/1 These methods of keeping walls dry are excellent when dry areas or air-drains cannot be conveniently constructed. 1991 Community Express (Austral.) (Nexis) 22 Oct. Rising damp had been a problem for the GPO building, and the air-drain technique was used to preserve buildings of historic value. 2005 Daily Business Alerts Newswire (Austral.) (Nexis) 9 Dec. The money would be used to treat rising damp problems and construct air drains, restore timber decking to the verandah and repair stonework. 2. A device through which air is drained. rare. ΘΚΠ society > occupation and work > equipment > machine > machines which impart power > engine > [noun] > parts of helm1663 spring-beam?1794 steam-jacket1838 cut-off1849 steam-jacketing1870 starting block1881 timing chain1889 timing mark1901 decelerator1907 air drain1908 plenum chamber1908 reservoir1920 1908 Bismarck (N. Dakota) Daily Tribune 4 Dec. 5 Paulson had one hand badly crushed when he sought to take an air drain off an engine. 1982 Syracuse (N.Y.) Herald-Amer. 25 July 59/6 (advt.) Air drain valves for tractors & trailers. This entry has been updated (OED Third Edition, June 2008; most recently modified version published online December 2021). < n.1833
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