[f. next: see -ENCY.]
1. Intensity of heat, burning quality.
1634. Sir T. Herbert, Trav. (1677), 27 (T.). How much heat any one receives externally from the ardency of the sun.
1881. W. C. Russell, Sailors Sweeth., II. iv. 231. Folds of red heat, which lifted and sank by their own fierce ardency.
2. fig. Warmth of feeling or desire; intense eagerness, zeal, fervency, ardor.
1549. Latimer, Serm. Edw. VI., iii. (Arb.), 93. With a great ardency of spirit, he pierced Gods ear.
1655. Gouge, Comm. Hebr. v. 7. Crying implieth ardency in prayer.
1830. Sir J. Herschel, Stud. Nat. Philos., 7. An unbounded spirit of enquiry, and ardency of expectation.