|—n , pl -ties|
|1.||the state or quality of being one; oneness|
|2.||the act, state, or quality of forming a whole from separate parts|
|3.||something whole or complete that is composed of separate parts|
|4.||mutual agreement; harmony or concord: the participants were no longer in unity|
|5.||uniformity or constancy: unity of purpose|
|a. the number or numeral one|
|b. a quantity assuming the value of one: the area of the triangle was regarded as unity|
|c. the element of a set producing no change in a number following multiplication|
|7.||the arrangement of the elements in a work of art in accordance with a single overall design or purpose|
|8.||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)|
|[C13: from Old French unité, from Latin ūnitās, from ūnus one]|
in drama, the three principles derived by French classicists from Aristotle's Poetics; they require a play to have a single action represented as occurring in a single place and within the course of a day. These principles were called, respectively, unity of action, unity of place, and unity of time.
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