Prominence \Prom"i*nence\, Prominency \Prom"i*nen*cy\, n. [L. prominentia: cf. F. prominence. See Prominent. ]

1. The quality or state of being prominent; a standing out from something; conspicuousness.

2. That which is prominent; a protuberance.

Solar prominences. (Astron.) See Solar Protuberances, under Protuberance.

Source: Webster's Revised Unabridged Dictionary (1913)