vbl. sb. [f. as prec.] The action of the verb in various senses; ventilation.
1661. J. Childrey, Brit. Baconica, 86. This is a very strange thing indeed, and very well worth the Ventilating.
1743. S. Hales, Descr. Ventilators, I. 50. The thus ventilating of Ships.
1802. Encycl. Brit., Suppl. II. 748/1. It is the centre of the cargo which most requires ventilating.
1845. Encycl. Metrop., XXV. 1053. The ventilating of rooms by openings at any height above the level of the floor.
b. attrib., as ventilating-engineer, -fan, tube, etc. A few technical combs. are recorded in Knight, Dict. Mech. and Suppl., as ventilating-brick, heater, saw, -stack, water-wheel. Also ventilating grate, jack, mill-stone in recent Amer. Dicts.
1753. Phil. Trans., XLVIII. 44. This ward … had been supplied by a ventilating tube.
1845. Encycl. Metrop., XXV. 1054/2. The ventilating fan of Dr. Desaguliers. Ibid., 1055/2. A ventilating pump 3 feet square and 5 feet high.
1868. Chambers’s Encycl., X. 68/1. Dr. Arnott’s ventilating-valve. Ibid. Special ventilating-flues in the walls.
1889. Welch, Text Bk. Naval Archit., 132. Fresh air … led into the bunkers from the ventilating shafts.
c. 1890. W. H. Casmey, Ventilation, 1. My experience as a ventilating engineer extends over eleven years, during which time I have examined and reported on some thousands of buildings.
