[f. THIN v.1 + -ING2.] That thins, in various senses of the verb.
1550. Bale, Eng. Votaries, II. 81. To confirme the thynynge shewe of hypocresye.
1790. Wolcott (P. Pindar), Rowland for Oliver, 92. Art thou a Doctor? Yes, of thinning skill.
1888. Pump Court, 31 Oct., 5/2. His gradually thinning hair.
1899. Mackail, Life Morris, II. 154. A mere thinning remnant between two divergent and increasing camps.
