Morphemes

Definition

Morphemes are the smallest meaningful units of language. They can be words, like "cat" or "run," or prefixes and suffixes, like "un-" in "undo" or "-ed" in "played."

Related terms

Phoneme: The smallest unit of sound that can distinguish one word from another in a particular language.

Syntax:

The rules for combining words into grammatically sensible sentences in a given language.

Semantics:

The study of meaning in language; it considers what words mean individually and when they are combined into sentences.