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[yoo-ni-tee] /ˈyu nɪ ti/
noun, plural unities.
the state of being one; oneness.
a whole or totality as combining all its parts into one.
the state or fact of being united or combined into one, as of the parts of a whole; unification.
absence of diversity; unvaried or uniform character.
oneness of mind, feeling, etc., as among a number of persons; concord, harmony, or agreement.
  1. the number one; a quantity regarded as one.
  2. identity (def 9).
(in literature and art) a relation of all the parts or elements of a work constituting a harmonious whole and producing a single general effect.
one of the three principles of dramatic structure (the three unities) derived from Aristotelian aesthetics and formalized in the neoclassic canon in which a play is required to represent action as taking place in one day (unity of time) as occurring within one place (unity of place) and as having a single plot with a beginning, middle, and end (unity of action)
Origin of unity
1250-1300; Middle English unite < Old French < Latin ūnitās, equivalent to ūn(us) one + -itās -ity
Related forms
nonunity, noun, plural nonunities.
self-unity, noun
superunity, noun
1. singleness, singularity, individuality. See union. 5. concert, unison.
1. diversity, variety. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2016.
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Examples from the Web for unity
Contemporary Examples
Historical Examples
  • The thought of the unity of the Church is very prominent in this epistle.

    Expositions of Holy Scripture Alexander Maclaren
  • So long as we fall short of the state of unity we are in the stage of immaturity.

    Expositions of Holy Scripture Alexander Maclaren
  • To the end of his life Lucas continued to labour at the reorganisation of the unity.

  • The unity of government which constitutes you one people is also now dear to you.

    America First Various
  • To the unity of enthusiasm corresponds the unity of the world, the monistic feeling.

    mile Verhaeren Stefan Zweig
British Dictionary definitions for unity


noun (pl) -ties
the state or quality of being one; oneness
the act, state, or quality of forming a whole from separate parts
something whole or complete that is composed of separate parts
mutual agreement; harmony or concord: the participants were no longer in unity
uniformity or constancy: unity of purpose
  1. the number or numeral one
  2. a quantity assuming the value of one: the area of the triangle was regarded as unity
  3. the element of a set producing no change in a number following multiplication
the arrangement of the elements in a work of art in accordance with a single overall design or purpose
any one of the three principles of dramatic structure deriving from Aristotle's Poetics by which the action of a play should be limited to a single plot (unity of action), a single location (unity of place), and the events of a single day (unity of time)
Word Origin
C13: from Old French unité, from Latin ūnitās, from ūnus one
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
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Word Origin and History for unity

c.1300, from Anglo-French unite, Old French unite (c.1200), from Latin unitatem (nominative unitas) "oneness, sameness, agreement," from unus "one" (see one).

Online Etymology Dictionary, © 2010 Douglas Harper
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unity in Technology

A high-level parallel language.
A translator into MPL is available by (
See also MasPar Unity.
["Parallel Program Design", K.M. Chandry and Misra, A-W 1988].
The Free On-line Dictionary of Computing, © Denis Howe 2010
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