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-logy - 5 dictionary results

-logy

 
Use -logy in a Sentence
1. a combining form used in the names of sciences or bodies of knowledge: paleontology; theology.
2. a termination of nouns referring to writing, discourses, collections, etc.: trilogy; martyrology.
Origin:
ME -logie < L -logia < Gk. See -logue, -y 3
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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-logy or -ology  
suff.  
  1. Discourse; expression: phraseology.
  2. Science; theory; study: dermatology; sexology.

[Middle English -logie, from Old French, from Latin -logia, from Greek -logiā (from logos, word, speech; see leg- in Indo-European roots) and from -logos, one who deals with (from legein, to speak; see leg- in Indo-European roots).]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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-logy

-lo*gy\ [Gr. ?, fr. ? word, discourse, fr. ? to speak. See Logic.] A combining form denoting a discourse, treatise, doctrine, theory, science; as, theology, geology, biology, mineralogy.
Webster's Revised Unabridged Dictionary, © 1996, 1998 MICRA, Inc.
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-logy 
"a speaking, discourse, treatise, doctrine, theory, science," from Gk. -logia (often via Fr. -logie or M.L. -logia), from root of legein "to speak;" thus, "the character or department of one who speaks or treats of (a certain subject);" see lecture.
Online Etymology Dictionary, © 2001 Douglas Harper
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-logy suff.
Science; theory; study: dermatology.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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