Any of the flowering plants of the genus Pentas, especially the Egyptian starcluster, Pentas lanceolata.

plural of Penta

five

A surname.

(inorganic chemistry) An allotrope of carbon similar to graphene, but with a pentagonal (rather than a hexagonal) tiling pattern

Having five syllables.

(US) Alternative spelling of pentasulphide

(chemistry) any sulphide containing five sulphur atoms in each molecule

plural of pentasulphide

plural of pentasulfide