Definify.com
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.
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.