follow Dictionary.com

Do you know ghouls from goblins and ghosts?

irreducible

[ir-i-doo-suh-buh l, -dyoo-] /ˌɪr ɪˈdu sə bəl, -ˈdyu-/
adjective
1.
not reducible; incapable of being reduced or of being diminished or simplified further:
the irreducible minimum.
2.
incapable of being brought into a different condition or form.
3.
Mathematics.
  1. of or pertaining to a polynomial that cannot be factored.
  2. of or pertaining to a group that cannot be written as the direct product of two of its subgroups.
Origin
1625-1635
1625-35; ir-2 + reducible
Related forms
irreducibility, irreducibleness, noun
irreducibly, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source
British Dictionary definitions for irreducibility

irreducible

/ˌɪrɪˈdjuːsɪbəl/
adjective
1.
not able to be reduced or lessened
2.
not able to be brought to a simpler or reduced form
3.
(maths)
  1. (of a polynomial) unable to be factorized into polynomials of lower degree, as (x² + 1)
  2. (of a radical) incapable of being reduced to a rational expression, as √(x + 1)
Derived Forms
irreducibility, irreducibleness, noun
irreducibly, 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
Cite This Source
Word Origin and History for irreducibility

irreducible

adj.

1530s, from assimilated form of in- (1) "not, opposite of" + reducible. Related: Irreducibly; irreducibility.

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
irreducibility in Medicine

irreducible ir·re·duc·i·ble (ĭr'ĭ-dōō'sə-bəl, -dyōō'-)
adj.

  1. Impossible to reduce to a desired, simpler, or smaller form or amount.

  2. Incapable of being made chemically simpler, or of being replaced, hydrogenated, or reduced in positive charge.


ir're·duc'i·bil'i·ty or ir're·duc'i·ble·ness n.
ir're·duc'i·bly adv.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source

Word of the Day

Difficulty index for irreducible

Few English speakers likely know this word

Word Value for irreducibility

22
0
Scrabble Words With Friends