• WordNet 3.6
    • n differentia distinguishing characteristics (especially in different species of a genus)
    • ***
Webster's Revised Unabridged Dictionary
    • differentia (Logic) The formal or distinguishing part of the essence of a species, by which it is distinguished from other members of its genus; the characteristic attribute of a species; specific difference; as, a proper definition must have both genus and differentia .
    • differentia the set of characteristics distinguishing an entity from related entities.
    • ***
Century Dictionary and Cyclopedia
    • n differentia In logic, the characteristic attribute of a species, or that by which it is distinguished from other species of the same genus; specific difference (which see, under difference).
    • n differentia In Gregorian music, a cadence or trope. Also called distinctio.
    • ***
Chambers's Twentieth Century Dictionary
    • n Differentia (logic) the characteristic quality or attribute of a species
    • ***


Webster's Revised Unabridged Dictionary
L. See Difference
Chambers's Twentieth Century Dictionary
L. differredif (= dis), apart, ferre, to bear.


In literature:

We have to find, then, some differentia of training from education.
"Democracy and Education" by John Dewey
The real differentia of the poet is his command over the secret magic of words.
"The Epic" by Lascelles Abercrombie
Wherein do its differentia consist?
"The Life of the Spirit and the Life of To-day" by Evelyn Underhill
Nunc autem quae sit operis utriusque differentia dicendum est.
"The Principles of Gothic Ecclesiastical Architecture, Elucidated by Question and Answer, 4th ed." by Matthew Holbeche Bloxam
Its differentia is that which separates it from the unit of common humanity.
"Personality in Literature" by Rolfe Arnold Scott-James
It is the possession of these, above all, which constitutes the differentia of man.
"Gloria Crucis addresses delivered in Lichfield Cathedral Holy Week and Good Friday, 1907" by J. H. Beibitz
The differentia of mind evolved an aristocracy.
"Mizora: A Prophecy" by Mary E. Bradley
This gives the 'differentia' of the Utilitarian considered as one species of the genus 'Radical.
"The English Utilitarians, Volume II (of 3)" by Leslie Stephen
But it states an eternal verity, and so marks an essential differentia.
"A History of the French Novel, Vol. 2" by George Saintsbury
Genus and differentia are found in every good definition.
"English: Composition and Literature" by W. F. (William Franklin) Webster
Differentiae are "old" and "not-old.
"Symbolic Logic" by Lewis Carroll
Poetry is a species of Fine Art, its differentia being the use of metrical language as its instrument.
"Logic, Inductive and Deductive" by William Minto
The qualities which this general differentia has developed in French may now be enumerated.
"A Short History of French Literature" by George Saintsbury
Such an idea has the differentia of intelligence.
"Creative Intelligence" by John Dewey, Addison W. Moore, Harold Chapman Brown, George H. Mead, Boyd H. Bode, Henry Waldgrave, Stuart James, Hayden Tufts, Horace M. Kallen
The Vicar, you must understand, had done his best to inculcate the recognised differentiae of a gentleman.
"The Wonderful Visit" by Herbert George Wells
To begin with Differentia.
"A System of Logic: Ratiocinative and Inductive" by John Stuart Mill
On the one hand, he makes the most of the differentia between ancient and modern Imperialism.
"The Evolution of States" by J. M. Robertson
Bergson, a type of the former, insists that spontaneity, movement, indeterminateness are the differentia of life.
"The Christian Faith Under Modern Searchlights" by William Hallock Johnson
But art is born with man, and is of the essence, the very differentia of man.
"Hieroglyphics" by Arthur Machen

In news:

Distinct Mechanisms of Apoptosis-Induced Compensatory Proliferation in Proliferating and Differentia.

In science:

Obradovi ´c, An application of differentia l subordinations and some criteria for univalency, Bull.
Subordination and superordination for multivalent functions defined by linear operators
Inspection of Table 1 con firms that all integro-differentia l operators having the described sum representation T + G + P are indeed in normal form.
Symbolic Analysis for Boundary Problems: From Rewriting to Parametrized Gr\"obner Bases
The rule of differentia∗Present address: Department of Mathematics, Duke University, Durham, NC 27708.
Product Integrals and Wilson loops