-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.

Nearby words

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

Origin of -logy

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

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for -logy

-logy

n combining form

indicating the science or study ofmusicology

indicating writing, discourse, or body of writingstrilogy; phraseology; martyrology

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

Word Origin for -logy

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

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for -logy

-logy

suff.

Science; theory; study:dermatology.