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Webster 1913 Edition


Protuberance

Pro-tu′ber-ance

,
Noun.
[Cf. F.
protubérance
. See
Protuberant
.]
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.
Solar protuberances
(Astron.)
,
certain rose-colored masses on the limb of the sun which are seen to extend beyond the edge of the moon at the time of a solar eclipse. They may be discovered with the spectroscope on any clear day. Called also
solar prominences
. See Illust. in Append.
Syn.
Projection
,
Protuberance
. protuberance differs from projection, being applied to parts that rise from the surface with a gradual ascent or small angle; whereas a projection may be at a right angle with the surface.

Webster 1828 Edition


Protuberance

PROTU'BERANCE

,
Noun.
[L. protuberans, protubero; pro and tuber, a puff, bunch or knob.] A swelling or tumor on the body; a prominence; a bunch or knob; any thing swelled or pushed beyond the surrounding or adjacent surface; on the surface on the earth, a hill, knoll or other elevation.
Protuberance differs from projection, being applied to parts that rise from the surface with a gradual ascent or small angle; whereas a projection may be at a right angle with the surface.

Definition 2024


protubérance

protubérance

See also: protuberance

French

Noun

protubérance f (plural protubérances)

  1. lump, protuberance