• WordNet 3.6
    • adj excrescent forming an outgrowth (usually an excessive outgrowth)
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Webster's Revised Unabridged Dictionary
    • a Excrescent Growing out in an abnormal or morbid manner or as a superfluity. "Expunge the whole, or lip the excrescent parts."
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Century Dictionary and Cyclopedia
    • excrescent Growing out of something else; specifically, abnormally put forth or added; hence, superfluous and incongruous: as, a wart is an excrescent growth on the hand; excrescent knots on a tree; excrescent ornaments on a dress or on a building.
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Chambers's Twentieth Century Dictionary
    • adjs Excrescent growing out: superfluous
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  • Edward M. Forster
    “Towns are excrescences, gray fluxions, where men, hurrying to find one another, have lost themselves.”


Webster's Revised Unabridged Dictionary
L. excresens, -entis, p. pr. of excrescere, to grow out ; ex, out + crescere, to grow. See Crescent
Chambers's Twentieth Century Dictionary
Fr.,—L.,—excrescĕreex, out, crescĕre, to grow.


In literature:

Pope's taste, indeed, tolerated various old-fashioned excrescences which we profess to despise.
"Alexander Pope" by Leslie Stephen
Over the whole, depressions and excrescences, was stretched a faded chintz cover.
"Cape Cod Folks" by Sarah P. McLean Greene
A spongy excrescence covered the gums.
"Vikings of the Pacific" by Agnes C. Laut
Tammany is not a freak, a strange and monstrous excrescence.
"A Preface to Politics" by Walter Lippmann
They are, so to speak, pimples of the soul which synchronise with similar excrescences of the skin.
"The Palace of Pleasure, Volume 1" by William Painter
Misselto, and other excrescences to be cut and broken off.
"Sylva, Vol. 1 (of 2)" by John Evelyn
Warren, in his "Surgical Observations on Tumors," observes that cancer of the penis begins by a warty excrescence on the glans or prepuce.
"History of Circumcision from the Earliest Times to the Present" by Peter Charles Remondino
The knaurs or excrescences which are sometimes found on the roots or stems of trees afford other illustrations of this universal tendency.
"Vegetable Teratology" by Maxwell T. Masters
Sometimes the valves become covered by fibrinous, fleshy, or hard vegetations, or excrescences.
"Special Report on Diseases of the Horse" by United States Department of Agriculture
In this species the casque or excrescence on the upper mandible is very slight.
"Birds of the Indian Hills" by Douglas Dewar

In science:

By ringing changes on these excrescences we might get alternative theories, logically incompatible, yet always empirically equivalent.
Empirical Equivalence, Artificial Gauge Freedom and a Generalized Kretschmann Objection
When gauge freedom has been installed artificially, as in the Stueckelberg, BFT and parametrization cases, one can eliminate the extra fields, the “otiose elements” or “excrescences,” by gauge-fixing.
Empirical Equivalence, Artificial Gauge Freedom and a Generalized Kretschmann Objection