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单词 pneumatized
释义

pneumatizedadj.

Brit. /ˈnjuːmətʌɪzd/, U.S. /ˈn(j)uməˌtaɪzd/
Forms: 1800s– pneumatised, 1800s– pneumatized.
Origin: A borrowing from Greek, combined with an English element. Etymons: Greek πνευματ- , πνεῦμα , -ized suffix.
Etymology: < ancient Greek πνευματ-, πνεῦμα (see pneuma n.) + -ized suffix.Compare French pneumatisé (of an organ) played by means of compressed air (1578). With sense 2 compare earlier pneuma n. 2. With sense 3 compare earlier pneumatic adj. 3b.
1. Of pig iron: that has had a blast of air passed through it in the Bessemer process. Obsolete. rare.
ΚΠ
1868 F. H. Joynson Metals in Constr. 86 The silica which is found in Spiegeleisen has the effect of reducing the boiling or agitation of the pneumatised metal, when poured into moulds, and is therefore beneficial.
2. Containing the spirit or pneuma (pneuma n. 2) formerly held to permeate the body. Obsolete. rare.
ΚΠ
1878 T. H. Huxley in Fortn. Rev. 29 174 [To early anatomists] the heart and arteries were the superadded apparatus for the dispersion of a ‘pneumatized’, or vivified portion of the blood through the arteries.
3. Anatomy and Zoology. Of a bone: containing air-filled cavities.
ΚΠ
1884 E. Coues Key to N. Amer. Birds (ed. 2) 135 Ordinarily, the greater part of the skull, and the less part of the trunk and limbs, is pneumatized.
1947 Arch. Otolaryngol. 46 852 The complications of acute otitis media developed more often in temporal bones with extensive cell systems than in those that were poorly pneumatized.
1998 Nature 24 Sept. p. ix/2 Birds have extensively pneumatized bones: with the lungs and other air-sacs, the cavities in the bones form a specialized kind of lung through which air flows in one direction.
This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022).
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adj.1868
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