Chapter 4 Morphologyl What is morphology?n The total number of words stored in the brain is called the lexicon.n Words are the smallest free units of language that unite sounds with meaning.n Morphology is defined as the study of the internal structure and the formation of words.l Morphemes and allomorphsn The smallest meaningful unit of language is called a morpheme.n A morpheme may be represented by different forms, called allomorphs.n “zero” form of a morpheme and supple