pro·tu·ber·ance /proˈtub(ə)rən(t)s, ˈtju-/
 突起,瘤,結節
 pro·tu·ber·ance /proˈt(j)ub(ə)rən(t)s/ 名詞
 隆凸
 Pro·tu·ber·ance n.  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.
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 protuberance
      n 1: something that bulges out or is protuberant or projects from
           a form [syn: bulge, bump, hump, gibbosity, gibbousness,
            jut, prominence, protrusion, extrusion, excrescence]
      2: the condition of being protuberant; the condition of bulging
         out; "the protuberance of his belly"