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tachism

[tash-iz-uh m]
noun (sometimes initial capital letter)
  1. action painting(def 1).
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Also ta·chisme [French ta-shees-muh] /French taˈʃis mə/.

Origin of tachism

1950–55; < French tachisme, equivalent to tache spot, (< Vulgar Latin *tacca, probably < Gothic taikns mark, akin to token) + -isme -ism
Related formstach·ist, ta·chiste [French ta-sheest] /French taˈʃist/, noun, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018