polysynthetic

poly- +‎ synthetic

• enPR: pŏlēsĭnthĕt'ĭk, IPA^(key): /ˌpɒlisɪnˈθɛtɪk/

polysynthetic (comparative more polysynthetic, superlative most polysynthetic)

1. (grammar, of languages) Characterized by a prevalence of relatively long words containing a large number of morphemes. Typically, the morphemes are bound.
   • 1912, Arthur Conan Doyle, The Lost World […], London, New York, N.Y.: Hodder and Stoughton, →OCLC:

     "No doubt, sir," Summerlee answered. "Like all such tribes, I shall expect to find them of polysynthetic speech and of Mongolian type." "Polysynthetic certainly," said Challenger, indulgently.

2. (mineralogy) Having layers of twin crystals

• oligosynthetic
• polysynthesis
• polysynthesism
• synthetic

• agglutinative
• analytic
• fusional
• incorporating
• inflected
• isolating