| 单词 | air-fountain |
| 释义 | > as lemmasair-fountain air-fountain n. (a) a fountain whose jet is raised by compressed air; (b) a column of air which rises rapidly upwards. ΚΠ 1753 J. Smeaton in Philos. Trans. 1751–2 (Royal Soc.) 47 423 Thus, with a little addition of apparatus, it shews the experiments of the air-fountain, wind-gun, &c. 1836 Times 25 Nov. 2/1 An Air Pump, mounted..so as to produce a more perfect vacuum than is usually obtained; a Copper Air Fountain, with condenser, jets, &c. 1919 Outing Mar. 317/1 There are ruts and bumps in the air—descending currents that drop the plane as though into a hole and ascending currents, or air fountains, that give all the effect of a thank-you-marm. 1972 Times 5 Jan. 6/8 The seeming magic of an ‘Air Fountain’ that keeps a ball suspended in a jet of water is rationally explained in terms of relative pressures. 2003 Business Wire (Nexis) 5 Apr. The concealment of the air conditioning ductwork within the themed atria to provide an ‘air fountain’ cooling system..contributed to the aesthetic objectives of the client. < as lemmas |
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