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单词 irreducible
释义

irreducible

[ ir-i-doo-suh-buhl, -dyoo- ]
/ ˌɪr ɪˈdu sə bəl, -ˈdyu- /
SEE SYNONYMS FOR irreducible ON THESAURUS.COM

adjective

not reducible; incapable of being reduced or of being diminished or simplified further: the irreducible minimum.
incapable of being brought into a different condition or form.
Mathematics.
  1. of or relating to a polynomial that cannot be factored.
  2. of or relating to a group that cannot be written as the direct product of two of its subgroups.

Origin of irreducible

First recorded in 1625–35; ir-2 + reducible

OTHER WORDS FROM irreducible

ir·re·duc·i·bil·i·ty, ir·re·duc·i·ble·ness, nounir·re·duc·i·bly, adverb

Words nearby irreducible

irrecusable, irredeemable, irredenta, irredentism, irredentist, irreducible, irreducible hernia, irreflexive, irreformable, irrefragable, irrefrangible
Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for irreducible

British Dictionary definitions for irreducible

irreducible
/ (ˌɪrɪˈdjuːsɪbəl) /

adjective

not able to be reduced or lessened
not able to be brought to a simpler or reduced form
maths
  1. (of a polynomial) unable to be factorized into polynomials of lower degree, as (x ² + 1)
  2. (of a radical) incapable of being reduced to a rational expression, as √(x + 1)

Derived forms of irreducible

irreducibility or irreducibleness, nounirreducibly, 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

Medical definitions for irreducible

irreducible
[ ĭr′ĭ-dōōsə-bəl ]

adj.

Impossible to reduce to a desired, simpler, or smaller form or amount.
Incapable of being made chemically simpler, or of being replaced, hydrogenated, or reduced in positive charge.

Other words from irreducible

ir′re•duc′i•bili•ty n.ir′re•duci•bly adv.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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