Protuberances

Those images showed huge, flame-like protuberances of dust arcing out from the limb of Betelgeuse.

According to Hittorf, he was the first who saw the three lines of the hydrogen spectrum, which a few months after his death, were recognized in the spectrum of the solar protuberances.

Etymology The name 'rambutan' is derived from the Malay Indonesian languages word for rambut or "hair", a reference to the numerous hairy protuberances of the fruit, together with the noun-building suffix -an.

Note that protuberances create turbulent water, preventing sediment from settling in the channel.

The acuball is a small ball made of rubber with protuberances that is heatable.

The foot roller (also "krupa chakra") is a round, cylindrical roller with protuberances.

Their characteristic eggs are barrel-shaped and brown, and have bipolar protuberances.

The surface of the stem may be smooth (as in some species of Opuntia) or covered with protuberances of various kinds, which are usually called tubercles.