Nearby Words

caustic

[kaw-stik] Origin

caus·tic

[kaw-stik]
adjective
1.
capable of burning, corroding, or destroying living tissue.
2.
severely critical or sarcastic: a caustic remark.
noun
3.
a caustic substance.

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Caustic is a GRE word you need to know.
So is volatile. Does it mean:
person who is especially competent to pass critical judgments in an art
tending or threatening to break out into open violence; changeable or mercurial

Origin:
1350–1400; Middle English < Latin causticus < Greek kaustikós burning, caustic, equivalent to kaust(ós) burnt (verbal adjective of kaíein to burn) + -ikos -ic

caus·ti·cal·ly, caus·tic·ly, adverb
caus·tic·i·ty [kaw-stis-i-tee] , caus·tic·ness, noun
non·caus·tic, adjective
non·caus·ti·cal·ly, adverb
o·ver·caus·tic, adjective
EXPAND
o·ver·caus·ti·cal·ly, adverb
o·ver·caus·tic·i·ty, noun
un·caus·tic, adjective
un·caus·ti·cal·ly, adverb
COLLAPSE


2. biting, mordant, bitter, scathing, acid.

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Collins
World English Dictionary
caustic (ˈkɔːstɪk)
 
adj
1.  capable of burning or corroding by chemical action: caustic soda
2.  sarcastic; cutting: a caustic reply
3.  of, relating to, or denoting light that is reflected or refracted by a curved surface
 
n
4.  Also called: caustic surface a surface that envelops the light rays reflected or refracted by a curved surface
5.  Also called: caustic curve a curve formed by the intersection of a caustic surface with a plane
6.  chem a caustic substance, esp an alkali
 
[C14: from Latin causticus, from Greek kaustikos, from kaiein to burn]
 
'caustical
 
adj
 
'caustically
 
adv
 
causticity
 
n
 
'causticness
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Etymonline
Word Origin & History

caustic
1550s, from O.Fr. caustique, from L. causticus, from Gk. kaustikos "capable of burning," from kaustos "combustible," from kaiein, the Gk. word for "to burn" in all periods, of uncertain origin with no known cognates outside Gk. Figurative sense of "sarcastic" is attested from 1771.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

caustic caus·tic (kô'stĭk)
n.

  1. A hydroxide of a light metal.

  2. A caustic material or substance.

adj.
  1. Capable of burning, corroding, dissolving, or eating away by chemical action.

  2. Of or relating to light emitted from a point source and reflected or refracted from a curved surface.

  3. Causing a burning or stinging sensation.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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