• WordNet 3.6
    • n protuberance something that bulges out or is protuberant or projects from its surroundings "the gun in his pocket made an obvious bulge","the hump of a camel","he stood on the rocky prominence","the occipital protuberance was well developed","the bony excrescence between its horns"
    • n protuberance the condition of being protuberant; the condition of bulging out "the protuberance of his belly"
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Webster's Revised Unabridged Dictionary
    • n Protuberance That which is protuberant swelled or pushed beyond the surrounding or adjacent surface; a swelling or tumor on the body; a prominence; a bunch or knob; an elevation.
    • ***
Century Dictionary and Cyclopedia
    • n protuberance A swelling or tumor on the body; a prominence; a bunch or knob; anything swelled or pushed beyond the surrounding or adjacent surface; on the surface of the earth, a bill, knoll, or other elevation; specifically, in anatomy and zoology, a protuberant part; a projection or prominence; a tuberosity: as, a bony protuberance. See cut under conjugation.
    • n protuberance See the adjectives.
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Chambers's Twentieth Century Dictionary
    • n Protuberance prō-tūb′ėr-ans a prominence: a tumour
    • ***


Webster's Revised Unabridged Dictionary
Cf. F. protubérance,. See Protuberant
Chambers's Twentieth Century Dictionary
L. protuberāre, -ātumpro, forward, tuber, a swelling.


In literature:

The male of this curious fish has a conspicuous protuberance on the forehead, wholly awanting in the female and the young.
"The Western World" by W.H.G. Kingston
He was of short stature and lacked the protuberant rotundity of President Bambos.
"Up the Forked River" by Edward Sylvester Ellis
Some of the protuberances are prolonged into slender tubes.
"Fungi: Their Nature and Uses" by Mordecai Cubitt Cooke
McKay was very sure the protuberance had not been there before.
"The Pathless Trail" by Arthur O. (Arthur Olney) Friel
The only protuberance on the thing was a band near the rounded end.
"The Flying Stingaree" by Harold Leland Goodwin
The state of being knobbed or protuberant.
"A Treatise on Anatomy, Physiology, and Hygiene (Revised Edition)" by Calvin Cutter
There was a friendly protuberance there on either side.
"The Missourian" by Eugene P. (Eugene Percy) Lyle
Ah got such protuberant spirits, Ah has!
"The Campfire Girls on Ellen's Isle" by Hildegard G. Frey
As the sun approached the horizon, the lad seated himself upon a rocky protuberance and looked off over the surrounding country.
"Through Apache Lands" by R. H. Jayne
Pedicels of the cirri long; rami rather short; segments elongated, not protuberant.
"A Monograph on the Sub-class Cirripedia (Volume 1 of 2)" by Charles Darwin

In poetry:

And on a rocky protuberance close by is Mary Stuart's bower
Where Scotland's ill-starred Queen spent many an hour,
Which is composed of turf and a nice round seat
Commanding a full view of the linn- the sight is quite a treat.
"Beautiful Village of Penicuik" by William Topaz McGonagall

In news:

Right eyesocket (frontal view): the left arrow shows the bony protuberance of the supraorbital notch, and the right arrow shows the frontal notch.

In science:

The radius of the plates was R = 2 cm and the distance between them was d = 1 mm (measured between the plates protuberances).
Linear Stability Analysis for Plane-Poiseuille Flow of an Elastoviscoplastic fluid with internal microstructure
The swelling in the c−direction occurs together with the contraction in the graphene layer; the new formed interstitial planes push the existing planes apart leading to a protuberance at the sample surface.
Induced Magnetic Order by Ion Irradiation of Carbon-Based Structures
The characteristic “crownlike” architecture of the large subunit arises from three protuberances.
Template-directed biopolymerization: tape-copying Turing machines
Different shapes of clusters with and without protuberances, the elasticity of the particles’ position, and the existence of holes makes impossible to reduce combinations by symmetry.
The Complexity Of The NP-Class