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.

(Pro*tu"ber*an*cy) n. The quality or state of being protuberant; protuberance; prominence.

(Pro*tu"ber*ant) a. [L. protuberans, -antis, p. pr. of protuberare. See Protuberate.] Prominent, or excessively prominent; bulging beyond the surrounding or adjacent surface; swelling; as, a protuberant joint; a protuberant eye.Pro*tu"ber*ant*ly, adv.

(Pro*tu"ber*ate) v. i. [L. protuberare; pro forward + tuber a hump, protuberance. See Tuber.] To swell, or be prominent, beyond the adjacent surface; to bulge out. S. Sharp.

(Pro*tu`ber*a"tion) n. The act of swelling beyond the surrounding surface. Cooke

(Pro*tu"ber*ous) a. Protuberant. [R.]

(||Pro`tu*re"ter) n. [NL. See Proto-, Ureter.] (Anat.) The duct of a pronephros. Haeckel.

(Pro"tyle) n. [Proto- + Gr. stuff, material.] (Chem. & Astron.) The hypothetical homogeneous cosmic material of the original universe, supposed to have been differentiated into what are recognized as distinct chemical elements.

(Proud) a. [Compar. Prouder ; superl. Proudest.] [OE. proud, prout, prud, prut, AS. prut; akin to Icel. pruðr stately, handsome, Dan. prud handsome. Cf. Pride.]

1. Feeling or manifesting pride, in a good or bad sense; as: (a) Possessing or showing too great self- esteem; overrating one's excellences; hence, arrogant; haughty; lordly; presumptuous.

Nor much expect
A foe so proud will first the weaker seek.

O death, made proud with pure and princely beauty !

And shades impervious to the proud world's glare.

1. The act of protruding or thrusting forward, or beyond the usual limit.

2. The state of being protruded, or thrust forward.

(Pro*tru"sive) a.

1. Thrusting or impelling forward; as, protrusive motion. E. Darwin.

2. Capable of being protruded; protrusile.

(Pro*tru"sive*ly), adv. In a protrusive manner.

(Pro*tu"ber*ance) n. [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.

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