Dictionary![]() ![]() ticPronunciation: (tik), [key] —n. 1. Pathol. a. a sudden, spasmodic, painless, involuntary muscular contraction, as of the face. b. See tic douloureux. 2. a persistent or recurrent behavioral trait; personal quirk: her distinctive verbal tics. -tica suffix, equivalent in meaning to -ic, occurring in adjectives of Greek origin (analytic), used esp. in the formation of adjectives from nouns with stems in -sis: hematotic; neurotic. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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