Definition for PRO-TU'BER-ANCE

PRO-TU'BER-ANCE, n. [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 of the earth, a hill, knoll or other elevation. – Hale. More. 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.

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