Lexic.us

Definition of Phosphorus

1. Noun. A multivalent nonmetallic element of the nitrogen family that occurs commonly in inorganic phosphate rocks and as organic phosphates in all living cells; is highly reactive and occurs in several allotropic forms.

2. Noun. A planet (usually Venus) seen just before sunrise in the eastern sky.

Definition of Phosphorus

1. n. The morning star; Phosphor.

Definition of Phosphorus

1. Proper noun. A name sometimes used for Hesperus, the personification in Greek mythology of the planet Venus. ¹

2. Proper noun. An ancient Greek name for the morning star (the planet Venus when it is visible in the eastern sky before sunrise). ¹

3. Noun. (chemistry) a chemical element (''symbol'' P) with an atomic number of 15, that exists in several allotropic forms. ¹

4. Noun. (obsolete) any substance exhibiting phosphorescence; a phosphor ¹

¹ Source: wiktionary.com

Definition of Phosphorus

1. [n -RI or -RUSES]

Medical Definition of Phosphorus

1. Origin: L, the morning star, Gr, lit, light bringer; light + to bring. 1. The morning star; Phosphor. 2. A poisonous nonmetallic element of the nitrogen group, obtained as a white, or yellowish, translucent waxy substance, having a characteristic disagreeable smell. It is very active chemically, must be preserved under water, and unites with oxygen even at ordinary temperatures, giving a faint glow, whence its name. It always occurs compined, usually in phosphates, as in the mineral apatite, in bones, etc. It is used in the composition on the tips of friction matches, and for many other purposes. The molecule contains four atoms. Symbol P. Atomic weight 31.0. 3. Hence, any substance which shines in the dark like phosphorus, as certain phosphorescent bodies. Bologna phosphorus, phosphorescent substances which shine in the dark after exposure to the sunlight or other intense light. Source: Websters Dictionary (01 Mar 1998)

Lexicographical Neighbors of Phosphorus

phosphorolyses phosphorolysis phosphorolytic phosphoroscope phosphoroscopes phosphorothioate phosphorothioates phosphorothiolated phosphorous phosphorous acid

phosphorous acids phosphorpenia phosphorrösslerite phosphors phosphoruria phosphorus phosphorus-31 phosphorus-32 phosphorus-33 phosphorus-oxygen lyases

phosphorus acids phosphorus bottle phosphorus cachexia phosphorus compounds phosphorus isotopes phosphorus match phosphorus metabolism disorders phosphorus necrosis phosphorus oxynitride phosphorus paste

Other Resources: