Meaning of polysynthetic

pol•y•syn•thet•ic

Pronunciation: (pol"ē-sin-thet'ik), [key]
— adj.
  1. (of a language) characterized by a prevalence of relatively long words containing a large number of affixes to express syntactic relationships and meanings. Many American Indian languages are polysynthetic. Cf.(def. 3),(def. 3).
  2. of or pertaining to polysynthesism.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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