Linguistics. a sequence of phonemes constituting a minimal unit of grammar or syntax, and, as such, a representation, member, or contextual variant of a morpheme in a specific environment. Compare allomorph ( def 2 ).
Biology. an individual of one particular form, as a worker ant, in a species that occurs in two or more forms.
verb (used with object)
to transform (an image) by computer.
verb (used without object)
to be transformed: morphing from a tough negotiator to Mr. Friendly.

1945–50; back formation from morpheme, or independent use of -morph

morphic, adjective Unabridged


variant of morpho- before a vowel: morpheme.


a combining form meaning “form, structure,” of the kind specified by the initial element: isomorph.

< Greek -morphos; see -morphous Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
morph1 (mɔːf)
linguistics the phonological representation of a morpheme
[C20: shortened form of morpheme]

morph2 (mɔːf)
biology any of the different forms of individual found in a polymorphic species
[C20: from Greek morphē shape]

morph3 (mɔːf)
1.  to undergo or cause to undergo morphing
2.  to transform or be transformed completely in appearance or character: he morphed from nerd into pop icon
3.  a morphed image

n combining form
indicating shape, form, or structure of a specified kind: ectomorph
[from Greek -morphos, from morphē shape]
adj combining form
adj combining form
n combining form

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Word Origin & History

as a noun, in biology, 1955; as a verb, in cinematic special effects, c.1987, short for metamorphosis. Related: Morphed; morphing.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

-morph suff.
Form; shape; structure: endomorph.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
morph   (môrf)  Pronunciation Key 
A phenotypically distinct form of an organism or species.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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American Heritage
Abbreviations & Acronyms
  1. metamorphose

  2. morphine

The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Example sentences
And with the aid of digital effects, one style would morph into another.
Once college athletics got to be big money it was natural that it would morph
  into a model for organized crime.
Over the next five months these tiny missives would morph into a complex,
  engrossing and even lyrical narrative.
Markings on underparts are less distinct on rufous morph birds.
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