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Meaning of T-unit

T-u•nit

Pronunciation: (tē'y"nit), [key]
— n.
  1. a minimal unit constituting a complete sentence, consisting of one independent clause and any dependent clauses connected to it: used as a measure of the structural complexity of sentences.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.