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AMORPHOUS

 - 7 dictionary results

a⋅mor⋅phous

  [uh-mawr-fuhs]
Use AMORPHOUS in a Sentence
–adjective
1. lacking definite form; having no specific shape; formless: the amorphous clouds.
2. of no particular kind or character; indeterminate; having no pattern or structure; unorganized: an amorphous style; an amorphous personality.
3. Petrography, Mineralogy. occurring in a mass, as without stratification or crystalline structure.
4. Chemistry. not crystalline.
5. Biology. having structural components that are not clearly differentiated, as the nuclear material in certain bacteria.
Origin:
1725–35; < Gk ámorphos shapeless. See a- 6 , -morph, -ous

Related forms:
a⋅mor⋅phous⋅ly, adverb
a⋅mor⋅phous⋅ness, noun

Synonyms:
1, 2. shapeless, undefined; vague, anomalous.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To AMORPHOUS
a·mor·phous   (ə-môr'fəs)   
adj.  

  1. Lacking definite form; shapeless. See Synonyms at shapeless.

  2. Of no particular type; anomalous.

  3. Lacking organization; formless.

  4. Lacking distinct crystalline structure.


[From Greek amorphos : a-, without; see a-1 + morphē, shape.]
a·mor'phous·ly adv., a·mor'phous·ness n.
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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Main Entry:  amorphous
Part of Speech:  adj
Definition:  See amorphic
Dictionary.com's 21st Century Lexicon
Copyright © 2003-2009 Dictionary.com, LLC
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Word Origin & History

amorphous 
"shapeless," 1731, from Gk. amorphos "without form, shapeless, deformed," from a- "without" + morphe "form" (see morphine).
Online Etymology Dictionary, © 2001 Douglas Harper
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Medical Dictionary

Main Entry: amor·phous
Pronunciation: &-'mor-f&s
Function: adjective
1 : having no apparent shape or organization
2 : having no real or apparent crystalline form
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

amorphous a·mor·phous (ə-môr'fəs)
adj.

  1. Lacking definite form; shapeless.

  2. Lacking organization; formless.

  3. Lacking distinct crystalline structure.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
Science Dictionary
amorphous   (ə-môr'fəs)  Pronunciation Key 

  1. Not made of crystals. Glass, amber, and plastics are amorphous substances.

  2. Lacking definite form or shape.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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