[a. Fr. aération, f. aérer; or (in modern use) independent Eng. f. AERATE, after analogy of create, creation, etc.: see -TION.]
† 1. Exposure to the open air; open air life. Obs. rare.
1578. Tymme, Calvin on Genesis, 313. The weariness of a wandering life and irksomeness of continual aeration.
2. Exposure of all the parts of anything to the mechanical influence of the air; supplying with fresh air; airing.
1835. Kirby, Bridgew. Treat. (1852), II. 194. To seek those stations for oviposition that are best suited to the aeration, hatching, and rearing of their spawn.
1858. T. R. Jones, Aquar. Naturalist, 27/2. Artificial aeration of the water contained in an aquarium may sometimes be beneficially adopted.
1881. T. Hughes, Rugby Tennessee, 137. The soil thoroughly drained and sweetened by aeration.
3. Exposure to the chemical action of air; oxygenation of the blood in respiration.
1836. Todd, Cycl. Anat. & Phys., I. 142/2. That modification of the function of aeration entitled respiration.
1879. Carpenter, Ment. Physiol., I. i. § 15. 17. If we try to hold our breath, for such a period that the aëration of the blood is seriously interfered with.
4. The charging with carbonic acid, or oxygen, so as to give briskness.