[f. as prec. + -ING2.] That whitens; making or becoming white.

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1641.  J. Jackson, True Evang. T., II. 143. The bleaching, whitening,… cleansing quality of Christs blood.

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1648.  J. Beaumont, Psyche, VII. lv. Made not by scorching but by whitening light.

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1704.  Pope, Spring, 19. Two Swains … Pour’d o’er the whitening vale their fleecy care.

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1821.  Scott, Pirate, xxxvii. My whitening bones will swing in the gibbet-irons.

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1859.  Hawthorne, Fr. & It. Note-bks. (1871), II. 274. Marks of … coming age in many a whitening hair.

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1902.  J. Buchan, Watcher by Threshold, 88. I said nothing, but my whitening face must have told them a tale.

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