[f. as prec. + -ING1.] The action of the vb. EXHAUST in its various senses; an instance of this. Also attrib.
1539. Tonstall, Serm. Palm Sund., D viij b. Sucke oute of this realme by auaryce insaciable, innumerable sommes of money yerelye, to the great exhausting of the same.
1764. Burn, Poor Laws, 153. The populousness of the kingdom still increaseth, notwithstanding its great exhaustings by wars, and plagues.
1827. Farey, Steam Engine, 448. The steam … must be evacuated from it, through one or other of the two exhausting valves.
1831. Lardner, Pneumat., v. 280. The most simple form of instrument for producing the rarefaction of air is that which is called the exhausting syringe.
1853. Pract. Mech. Jrnl., VI. 209. (title of article), Blowing and exhausting fans.
1887. Daily News, 11 Nov., 3/6. Exhausting nozzles are used as well as injecting ones, so that while fresh air is supplied foul air can be removed.
