D defs.my
Entry 6 senses Webster, 1913

Unity

/yo͞on'-ət-ē/ · U·ni·ty · IPA /ˈjunɪti/
01 n. The state of being one; oneness.
pl. Unities ((#))
  1. 1.
    The state of being one; oneness.
    “Whatever we can consider as one thing suggests to the understanding the idea of unity.” — Locks.
  2. 2.
    Concord; harmony; conjunction; agreement; uniformity; as, a unity of proofs; unity of doctrine.
    “Behold, how good and how pleasant it is for brethren to dwell together in unity!” — Ps. cxxxiii. 1.
  3. 3.
    Any definite quantity, or aggregate of quantities or magnitudes taken as one, or for which 1 is made to stand in calculation; thus, in a table of natural sines, the radius of the circle is regarded as unity.(Math.)
  4. 4.
    In dramatic composition, one of the principles by which a uniform tenor of story and propriety of representation are preserved; conformity in a composition to these; in oratory, discourse, etc., the due subordination and reference of every part to the development of the leading idea or the eastablishment of the main proposition.(Poetry & Rhet.)
  5. 5.
    Such a combination of parts as to constitute a whole, or a kind of symmetry of style and character.(Fine Arts & Mus.)
  6. 6.
    The peculiar characteristics of an estate held by several in joint tenancy.(Law)
Phrases & compounds
At unity — at one.
Unity of type — See under Type.