[ ep-uh-fuh-nom-uh-non, -nuhn ]
/ ˌɛp ə fəˈnɒm əˌnɒn, -nən /
Save This Word!

noun, plural ep·i·phe·nom·e·na [ep-uh-fuh-nom-uh-nuh], /ˌɛp ə fəˈnɒm ə nə/, ep·i·phe·nom·e·nons.

Pathology. a secondary or additional symptom or complication arising during the course of a disease.
any secondary phenomenon.



Were you ready for a quiz on this topic? Well, here it is! See how well you can differentiate between the uses of "was" vs. "were" in this quiz.
Question 1 of 7
“Was” is used for the indicative past tense of “to be,” and “were” is only used for the subjunctive past tense.

Meet Grammar Coach

Write or paste your essay, email, or story into Grammar Coach and get grammar helpImprove Your Writing

Meet Grammar Coach

Improve Your Writing
Write or paste your essay, email, or story into Grammar Coach and get grammar help

Origin of epiphenomenon

First recorded in 1700–10; epi- + phenomenon

OTHER WORDS FROM epiphenomenon

ep·i·phe·nom·e·nal, adjectiveep·i·phe·nom·e·nal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Example sentences from the Web for epiphenomenon

British Dictionary definitions for epiphenomenon

/ (ˌɛpɪfɪˈnɒmɪnən) /

noun plural -na (-nə)

a secondary or additional phenomenon; by-product
pathol an unexpected or atypical symptom or occurrence during the course of a disease

Derived forms of epiphenomenon

epiphenomenal, adjectiveepiphenomenally, adverb
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

Medical definitions for epiphenomenon

[ ĕp′ə-fĭ-nŏmə-nŏn′ ]


An additional condition or symptom in the course of a disease, not necessarily connected with the disease.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.