Meaning of speech pathology

speech' pathol"ogy

Pronunciation: [key]
  1. the scientific study and treatment of defects, disorders, and malfunctions of speech and voice, as stuttering, lisping, or lalling, and of language disturbances, as aphasia or delayed language acquisition.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.