tetralogy

[te-tral-uh-jee, -trah-luh-]
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noun, plural te·tral·o·gies.
  1. a series of four related dramas, operas, novels, etc.
  2. a group of four dramas, three tragedies and one satyr play, performed consecutively at the festival of Dionysus in ancient Athens.

Origin of tetralogy

From the Greek word tetralogía, dating back to 1650–60. See tetra-, -logy
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018


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British Dictionary definitions for tetralogy

tetralogy

noun plural -gies
  1. a series of four related works, as in drama or opera
  2. (in ancient Greece) a group of four dramas, the first three tragic and the last satiric
  3. pathol a group of four symptoms present in one disorder, esp Fallot's tetralogy

Word Origin for tetralogy

C17: from Greek tetralogia; see tetra-, -logy
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

Word Origin and History for tetralogy
n.

1650s, from Greek tetralogia, from tetra- (see tetra-) + -logia (see -logy).

Online Etymology Dictionary, © 2010 Douglas Harper

tetralogy in Medicine

tetralogy

[tĕ-trălə-jē, -trŏl-]
n.
  1. A complex of four symptoms.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.