protuberance : Idioms & Phrases

Index

occipital protuberance

  • noun prominence on the outer surface of the occipital bone
WordNet

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.
Webster 1913