air-breathingadj.

Brit.

/ˈɛːˌbriːðɪŋ/, U.S.

/ˈɛrˌbriðɪŋ/

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

Etymology: < air n.¹ + breathing adj. With sense 1 compare water-breathing adj. at water n. Compounds 7 and later air breather n.

1. Designating an animal that breathes air. Often contrasted with water-breathing.

ΚΠ

1791 E. Darwin Bot. Garden: Pt. I 70 (note) The great mass of matter which rests upon the lime-stone strata of the earth..has had its origin from the recrements of vegetables and of air-breathing animals.

1834 Lancet 18 Jan. 619/2 The transition..from the water-breathing to the air-breathing vertebrata is gradual.

1850 J. Anderson Course Creation ii. ii. 171 The Permian system of strata has hitherto been noted for the introduction of walking, air-breathing animals.

1930 Science 10 Jan. 35/2 Hybridism is the most natural explanation of the great variability and numerous species of air-breathing snails.

1977 National Geographic June 769/2 The plesiosaur, an air-breathing marine dinosaur, dates back more than 200 million years.

2001 N.Y. Times (Nexis) 4 July d2/1 Gar are prehistoric fish—narrow-snouted, thickly armoured, air-breathing and vaguely reptilian in appearance.

2. Designating or having a jet engine requiring the intake of air for the combustion of its fuel.

ΘΚΠ

society > occupation and work > equipment > machine > machines which impart power > engine > internal-combustion engine > [adjective] > having or powered by jet engine > type of jet engine

air-breathing1946

1946 R.A.McFarland Human Factors Air Transport Design ii.38 Air-breathing engines developing thrust by the use of propellers, jets, or a combination of both are shown in relation to the speeds at which they might be used to power aircraft.

1955 Times 29 Apr. 17/3 A liquid-propellent rocket motor..has been produced..for interceptor fighters capable of..operating in the rarefied atmosphere beyond the scope of conventional air-breathing engines.

1984 G. H. Clarfield & W. M. Wiecek Nucl. Amer. xiii. 393 The cruise was a subsonic, air-breathing, nuclear-capable pilotless aircraft.

1999 Pop. Sci. June 76 Since 1996, Rocketdyne and Aerojet have ground-tested small air-breathing engines designed for speeds from 0 to Mach 10.

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

单词	air-breathing
释义	air-breathingadj. Brit. /ˈɛːˌbriːðɪŋ/, U.S. /ˈɛrˌbriðɪŋ/ Origin: Formed within English, by compounding. Etymons: air n.¹, breathing adj. Etymology: < air n.¹ + breathing adj. With sense 1 compare water-breathing adj. at water n. Compounds 7 and later air breather n. 1. Designating an animal that breathes air. Often contrasted with water-breathing. ΚΠ 1791 E. Darwin Bot. Garden: Pt. I 70 (note) The great mass of matter which rests upon the lime-stone strata of the earth..has had its origin from the recrements of vegetables and of air-breathing animals. 1834 Lancet 18 Jan. 619/2 The transition..from the water-breathing to the air-breathing vertebrata is gradual. 1850 J. Anderson Course Creation ii. ii. 171 The Permian system of strata has hitherto been noted for the introduction of walking, air-breathing animals. 1930 Science 10 Jan. 35/2 Hybridism is the most natural explanation of the great variability and numerous species of air-breathing snails. 1977 National Geographic June 769/2 The plesiosaur, an air-breathing marine dinosaur, dates back more than 200 million years. 2001 N.Y. Times (Nexis) 4 July d2/1 Gar are prehistoric fish—narrow-snouted, thickly armoured, air-breathing and vaguely reptilian in appearance. 2. Designating or having a jet engine requiring the intake of air for the combustion of its fuel. ΘΚΠ society > occupation and work > equipment > machine > machines which impart power > engine > internal-combustion engine > [adjective] > having or powered by jet engine > type of jet engine air-breathing1946 1946 R.A.McFarland Human Factors Air Transport Design ii.38 Air-breathing engines developing thrust by the use of propellers, jets, or a combination of both are shown in relation to the speeds at which they might be used to power aircraft. 1955 Times 29 Apr. 17/3 A liquid-propellent rocket motor..has been produced..for interceptor fighters capable of..operating in the rarefied atmosphere beyond the scope of conventional air-breathing engines. 1984 G. H. Clarfield & W. M. Wiecek Nucl. Amer. xiii. 393 The cruise was a subsonic, air-breathing, nuclear-capable pilotless aircraft. 1999 Pop. Sci. June 76 Since 1996, Rocketdyne and Aerojet have ground-tested small air-breathing engines designed for speeds from 0 to Mach 10. This entry has been updated (OED Third Edition, June 2008; most recently modified version published online December 2021). < adj.1791
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