amorphous [ uh- mawr-f uhs ] SHOW IPA / əˈmɔr fəs / PHONETIC RESPELLING SYNONYMS | EXAMPLES | WORD ORIGIN adjective lacking definite form; having no specific shape; formless: the amorphous clouds. of no particular kind or character; indeterminate; having no pattern or structure; unorganized: an amorphous style; an amorphous personality. . Petrography, Mineralogy occurring in a mass, as without stratification or crystalline structure. . Chemistry not crystalline. . Biology having structural components that are not clearly differentiated, as the nuclear material in certain bacteria. Nearby words amorous
amortization Origin of amorphous
First recorded in
is from the
-ous Related forms a·mor·phous·ly, adverb a·mor·phous·ness, noun
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for amorphously British Dictionary definitions for amorphously adjective lacking a definite shape; formless of no recognizable character or type (of chemicals, rocks, etc) not having a crystalline structure Derived Forms amorphism, noun amorphously, adverb amorphousness, noun Word Origin for amorphous
C18: from New Latin, from Greek
amorphos shapeless, from a- 1 + morphē shape
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Word Origin and History for amorphously adj.
"shapeless," 1731, from Modern Latin
amorphus, from Greek amorphos "without form, shapeless, deformed," from a- "without" (see a- (3)) + morphe "form" (see Morpheus). Related: Amorphously; amorphousness.
Online Etymology Dictionary, © 2010 Douglas Harper
Medicine definitions for amorphously adj. Lacking definite form; shapeless. Lacking organization; formless. Lacking distinct crystalline structure.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Science definitions for amorphously Not made of crystals. Glass, amber, and plastics are amorphous substances. Lacking definite form or shape.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.