1the state of being important, famous, or noticeable:she came to prominence as an artist in the 1960s [in singular]:the commission gave the case a prominence which it might otherwise have escaped
2the fact or state of projecting from something:radiographs showed enlargement of the right heart with prominence of the pulmonary outflow tract
[count noun] a thing that projects from something, such as a projecting feature of the landscape or a protuberance on a part of the body:the steep, rocky prominence resembled a snow-capped mountain
[count noun] Astronomy a stream of incandescent gas projecting above the sun’s chromosphere.
