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axiom

[ ak-see-uhm ]
/ ˈæk si əm /
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See synonyms for: axiom / axioms on Thesaurus.com

noun
a self-evident truth that requires no proof.
a universally accepted principle or rule.
Logic, Mathematics. a proposition that is assumed without proof for the sake of studying the consequences that follow from it.
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Origin of axiom

1475–85; <Latin axiōma<Greek: something worthy, equivalent to axiō-, variant stem of axioûn to reckon worthy + -ma resultative noun suffix

WORDS THAT MAY BE CONFUSED WITH axiom

1. adage, aphorism, apothegm, axiom , maxim, proverb2. assumption, axiom , premise, presumption
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use axiom in a sentence

British Dictionary definitions for axiom

axiom
/ (ˈæksɪəm) /

noun
a generally accepted proposition or principle, sanctioned by experience; maxim
a universally established principle or law that is not a necessary truththe axioms of politics
a self-evident statement
logic maths a statement or formula that is stipulated to be true for the purpose of a chain of reasoning: the foundation of a formal deductive systemCompare assumption (def. 4)

Word Origin for axiom

C15: from Latin axiōma a principle, from Greek, from axioun to consider worthy, from axios worthy
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

Scientific definitions for axiom

axiom
[ ăksē-əm ]

A principle that is accepted as true without proof. The statement “For every two points P and Q there is a unique line that contains both P and Q” is an axiom because no other information is given about points or lines, and therefore it cannot be proven. Also called postulate
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Cultural definitions for axiom

axiom
[ (ak-see-uhm) ]

In mathematics, a statement that is unproved but accepted as a basis for other statements, usually because it seems so obvious.

notes for axiom

The term axiomatic is used generally to refer to a statement so obvious that it needs no proof.
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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