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trisubstituted

[trahy-suhb-sti-too-tid, -tyoo-]
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adjective Chemistry.
  1. pertaining to a molecule containing three substituents.

Origin of trisubstituted

First recorded in 1895–1900; tri- + substitute + -ed2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
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