单词 | aerophore |
释义 | aerophoren. 1. Botany. In certain ferns: a specialized structure with numerous stomata for aeration, usually seen as a band of pale tissue on the stem or a small outgrowth at the base of a frond. ΚΠ 1862 W. J. Hooker Species Filicum IV. 100 Pinnæ alternate sessile with a squamiform conspicuous gland (aërophore) at the inferior base. 1933 Amer. Fern Jrnl. 23 76 Pinnae 25–30 pairs, alternate, sessile, furnished with a large, firm, elongate, brown aerophore at base below. 1993 Wildflower Spring 39/2 These are properly called aerophores and differ from the pneumatophores of the mangroves of coastal locations. 2. Any of several forms of respirator, esp. one with a portable supply of air for use by divers and miners. Now historical. ΘΚΠ the world > action or operation > safety > protection or defence > [noun] > means of protection or defence > device or contrivance to protect a thing or person > protection worn on face > respirator mouthpiece1790 nosebag1834 respirator1836 inhaler1864 smoke respirator1866 aerophore1876 open circuit1876 inspirator1898 muzzle1899 smoke helmet1900 gas helmet1910 gas mask1915 mask1915 oxygen mask1920 inhalator1929 closed circuit1953 1876 Ann. Rep. Dis. Chest 2 212 Aerophore of M. Denayrouse.—This apparatus is destined to protect the life of workmen in irrespirable atmospheres. a1884 E. H. Knight Pract. Dict. Mech. Suppl. 8/2 The aërophore devised by Herr Schultz, captain of the fire brigade at Aschaffenburg, Bavaria, depends upon the regeneration of the exhaled air, the oxygen being reproduced as it is consumed. 1931 Discovery Apr. 128/1 The Aerophor apparatus [for use in mines] is probably the most interesting type of all on account of the fact that it makes use of liquid air. 1992 S. Harrigan Water & Light xiii. 190 In the 1860s two French inventors, Benoit Rouquayrol and Auguste Denayrouze, created a device they called the aerophore. The aerophore consisted of two main components—an air-filled canister..and a new creation, a ‘regulator’. This entry has been updated (OED Third Edition, June 2008; most recently modified version published online December 2021). < |
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