> as lemmas

1600 C. Tourneur Transformed Metamorph. To Rdr. sig. A3 My fearelesse ayre-plume-pen.

1774 O. Goldsmith Hist. Earth I. 344 To break these air-currents into smaller ones.

1817 S. T. Coleridge Biographia Literaria I. xii. 244 The wings of the air-sylph are forming within the skin of the caterpillar.

1827 T. Carlyle Richter in Edinb. Rev. June 186 A distorted incoherent series of air-landscapes.

1827 N. Arnott Elements Physics I. iii. 510 In ordinary breathing..the increase and diminution of air-density, in the chest, is measured by a column of less than one inch, or about a five-hundredth.

1850 S. Judd Richard Edney & Governor's Family xxii. 256 I wonder..how the fishes relish the arrival of a boat from the air-world, passing like a cloud over their pleasant prospects.

1851 H. Melville Moby-Dick lxxxvii. 435 The air-eddy made by the sudden tossing of a pair of broad flukes.

1877 F. Schumann Man. Heating & Ventilation 18 Air Supply. The following formulæ will demonstrate the necessity of a greater supply of pure air.

1885 W. B. Yeats in Dublin Univ. Rev. July 136/1 For there came an air-breath cool.

1906 Westm. Gaz. 8 Sept. 13/1 We imagine ourselves stopping in just that way to chat with a friend in the highways of the air-world.

1909 H. G. Wells Tono-Bungay (U.K. ed.) iii. iv. 407 That cold side that gives you the air-eddy I was beginning to know passing well.

1924 Q. Jrnl. Royal Meteorol. Soc. 50 29 Up to an approximate height of 8 km. above the ground the air density is chiefly controlled by the temperature.

1959 E. F. Linssen Beetles Brit. Isles I. 112 The larvae of Haliplus..must renew their air-supply at the surface of the water since they breathe through spiracles.

1988 P. Wayburn Adventuring in Alaska (rev. ed.) i. 24 Light is bent in the direction of increasing air density—that is, toward cold dense air—and this phenomenon pulls the image of distant landscapes above the horizon.

1997 Courier-Jrnl. (Louisville, Kentucky) 15 Sept. c3 (advt.) The Oreck XL Hypo-Allergenic 8 lb. Hotel Upright... Filters 99.7% of breathable air particles.

2004 West Briton (Nexis) 29 July 54 Then it's on to the air world where aerial birds can be found contorting and cartwheeling high in the sky on aerial silks.