morphology

Concise Oxford English Dictionary © 2008 Oxford University Press:
morphology /mɔːˈfɒlədʒi/

▶noun (pl. morphologies)

• 1 the branch of biology concerned with the forms and structures of living organisms.

• 2 Linguistics the study of inflections and other forms of words.

• 3 a form, shape, or structure.

– derivatives
morphologic adjective,
morphological adjective,
morphologically adverb,
morphologist noun.