Definition - The study and description of a language's morphemes.

As opposed to the older and more general term morphology, which is the "identification, analysis and description of the structure of morphemes and other units of meaning … like words, affixes, and intonation."

1. Those who study morphemics are called morphemicists.

Etymology -
The word derives the term morpheme, which in turn derives from the Greek morphe, form or shape.

Oxford English Dictionary -
Its first citation from 1947:
"Morphemics and tactics are both necessarily involved in grammar."
(Language XXIII. 321)

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