phosphorus

noun

1. (countable, uncountable)A chemical element (symbol P) with an atomic number of 15, that exists in several allotropic forms.

   “For quotations using this term, see Citations:phosphorus.”

2. (countable, obsolete, uncountable)Any substance exhibiting phosphorescence; a phosphor.

   “For quotations using this term, see Citations:phosphorus.”

name

1. A name sometimes used for Hesperus, the personification in Greek mythology of the planet Venus.
2. An Ancient Greek name for the morning star (the planet Venus when it is visible in the eastern sky before sunrise).

   “Near-synonyms: evening star, evenstar, Hesperus, Vesper, Venus”