Phosphorus is a poisonous nonmetallic chemical element.
(noun)An example of phosphorus is the element with the atomic number 15.
See phosphorus in Webster's New World College Dictionary
noun
Origin: ModL < L Phosphorus, morning star < Gr phōsphoros, bringer of light < phōs, a light, contr. < phaos < IE base *bhā-, to shine > Gr phainein, to show (> fantasy) + -phor(o)us
See phosphorus in American Heritage Dictionary 4
noun
Origin:
Origin: Latin Phōsphorus, morning star
Origin: , from Greek phōsphoros, bringing light, morning star
Origin: : phōs, light; see bhā-1 in Indo-European roots
Origin: + -phoros, -phorous
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