• Webster's Revised Unabridged Dictionary
    • Imparity Indivisibility into equal parts; oddness.
    • Imparity Inequality; disparity; disproportion; difference of degree, rank, excellence, number, etc.
    • Imparity Lack of comparison, correspondence, or suitableness; incongruity. "In this region of merely intellectual notion we are at once encountered by the imparity of the object and the faculty employed upon it."
    • ***
Century Dictionary and Cyclopedia
    • n imparity Want of parity, equivalence, or correspondence; inequality; disproportion; difference of degree, rank, excellence, amount, quantity, etc.; quantitative diversity.
    • n imparity Numerical unevenness; indivisibility into two equal portions.
    • ***
Chambers's Twentieth Century Dictionary
    • n Imparity im-par′i-ti want of parity or equality: indivisibility into equal parts
    • ***


Webster's Revised Unabridged Dictionary
Pref. im-, + parity,: cf. F. imparité,
Chambers's Twentieth Century Dictionary
L. imparin, not, par, equal.


In literature:

The device non pluribus impar re-appeared on the stone rays representing a sun upon the front of the barracks on the Quai d'Orsay.
"Les Misérables Complete in Five Volumes" by Victor Hugo
There is much imparity among men in the world.
"Commentary on the Epistle to the Galatians" by Martin Luther
Sibyll, between us there are not imparity and obstacle.
"The Last Of The Barons, Complete" by Edward Bulwer-Lytton
Nec pluribus impar, 422.
"Notes & Queries, Index of Volume 1" by Various
Imparity doth ever discord bring, II.
"The Hesperides & Noble Numbers: Vol. 1 and 2" by Robert Herrick
Purpureus Salomon impar tibi dicitur esto.
"The Complete Works of Richard Crashaw, Volume II (of 2)" by Richard Crashaw
IMPAR CONGRESSUS ACHILLI (L.), unequally matched against Achilles.
"Chambers's Twentieth Century Dictionary (part 4 of 4: S-Z and supplements)" by Various

In science:

Los picos pares corresponden a densidades por abajo de la media y son regularmente menores que los picos impares ya que en el “rebote” (restauración) deben de sobreponerse también a la inercia de los bariones.
The quantum origins of the cosmological asymmetry