-logy

a combining form used in the names of sciences or bodies of knowledge: paleontology; theology.
a termination of nouns referring to writing, discourses, collections, etc.: trilogy; martyrology.

Origin of -logy

Middle English -logie < Latin -logia < Greek. See -logue, -y3

Words nearby -logy

-lithic, -lived, -log, -logic, -logue, -logy, -ly, -lyse, -lysis, -lyte, -lytic

British Dictionary definitions for -logy

-logy

n combining form

indicating the science or study of musicology
indicating writing, discourse, or body of writings trilogy; phraseology; martyrology

Derived forms of -logy

-logical or -logic, adj combining form -logist, n combining form

Word Origin for -logy

from Latin -logia, from Greek, from logos word; see logos

Medical definitions for -logy

-logy

suff.

Science; theory; study:dermatology.