aerated, ppl. a.
(ˈeɪəreɪtɪd, ˈɛər-)
[f. prec. + -ed.]
1. Exposed to the action of the air, supplied with air, charged with air. Also aerated concrete (see quot. 1956).
| 1800 S. Mitchill Let. 3 Dec. in T. J. Pettigrew Mem. of Lettsom (1817) III. 218 An opinion, held by several eminent men, that aërated pus was of an acid quality. 1862 Ansted Channel Isl. 10 The water is always well aërated, there is abundant vegetation. 1875 Richardson Dis. Mod. Life 34 The body, fed with a blood that is only partially aerated, is imperfectly heated. 1947 Brit. Standard 1364 (title) Aerated Concrete Building Blocks. 1956 Gloss. Terms Concrete (B.S.I.) 13 Aerated concrete, lightweight concrete in which the lightness is obtained by the formation of bubbles of air or gas in the plastic mix which are retained on setting and hardening. |
2. Charged with carbonic acid gas (or oxygen), so as to effervesce; raised, as bread, by means of such effervescence. Also fig.
| 1794 Sullivan View of Nat. I. 454 Ponderous spar, is a terra ponderosa, combined with the aerial acid, and aerated baroselenites. 1861 Wynter Social Bees 162 In the production..of aërated bread, the hand of the workman never touches the material. 1870 Lowell Among my Bks. i. (1873) 21 The best English poetry..is understanding aerated by imagination. 1880 Beale Slight Ailm. 149 Most practitioners recommend their patients to drink special aerated waters. |