phosphorus

English dictionary entry

Meanings

noun
  1. A chemical element (symbol P) with an atomic number of 15, that exists in several allotropic forms.
  2. Any substance exhibiting phosphorescence; a phosphor.
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).

Pronunciation

fŏsʹfə-rəs fŏsʹfrəs /ˈfɒs.fə.ɹəs/ /ˈfɒs.fɹəs/ fäsʹfər-əs /ˈfɑs.fɚ.əs/ LL-Q1860 (eng)-Naomi Persephone Amethyst (NaomiAmethyst)-phosphorus.wav En-us-phosphorus.ogg fŏs'fərəs /ˈfɒsfərəs/ fäs'fərəs /ˈfɑsfɚəs/

Word forms

phosphorus phosphoruses phosphori Phosphor

Etymology

Etymology tree Proto-Indo-European *bʰeh₂- Proto-Indo-European *bʰéh₂os Proto-Hellenic *pʰáwos Ancient Greek φᾰ́ος (phắos) Ancient Greek φῶς (phôs) Proto-Indo-European *bʰer- Proto-Indo-European *bʰéreti Proto-Hellenic *pʰérō Ancient Greek φέρω (phérō) Proto-Indo-European *-os Proto-Hellenic *-os Ancient Greek -ος (-os) Ancient Greek -φόρος (-phóros) Ancient Greek φωσφόρος (phōsphóros)bor. Latin phōsphorusbor. English phosphorus Borrowed from Latin phōsphorus, from Ancient Greek φωσφόρος (phōsphóros, “the bearer of light”), from φῶς (phôs, “light”) + φέρω (phérō, “to bear, carry”).

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