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phosphorus
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The Salt of the World?
- Phosphorus - n. - The morning star; Phosphor.
- Phosphorus - n. - 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.
- Phosphorus - n. - Hence, any substance which shines in the dark like phosphorus, as certain phosphorescent bodies.
- Tetratomic - a. - Consisting of four atoms; having four atoms in the molecule, as phosphorus and arsenic.
- Passive - a. - Inactive; inert; not showing strong affinity; as, red phosphorus is comparatively passive.
- Pentoxide - n. - An oxide containing five atoms of oxygen in each molecule; as, phosphorus pentoxide, P2O5.
- Phosphoric - a. - Of or pertaining to phosphorus; resembling, or containing, from us; specifically, designating those compounds in which phosphorus has a higher valence as contrasted with the phosphorous compounds.
- Phosphorous - a. - Of or pertaining to phosphorus; resembling or containing phosphorus; specifically, designating those compounds in which phosphorus has a lower valence as contrasted with phosphoric compounds; as, phosphorous acid, H3PO3.
- Cacoxenite - n. - A hydrous phosphate of iron occurring in yellow radiated tufts. The phosphorus seriously injures it as an iron ore.
- Hypophosphorous - a. - Pertaining to, or containing, phosphorus in a lower state of oxidation than in phosphoric compounds; as, hypophosphorous acid.
- Match - n. - Anything used for catching and retaining or communicating fire, made of some substance which takes fire readily, or remains burning some time; esp., a small strip or splint of wood dipped at one end in a substance which can be easily ignited by friction, as a preparation of phosphorus or chlorate of potassium.
- Phosphorate - v. t. - To impregnate, or combine, with phosphorus or its compounds; as, phosphorated oil.
- Saturate - v. t. - To satisfy the affinity of; to cause to become inert by chemical combination with all that it can hold; as, to saturate phosphorus with chlorine.
- Hypophosphoric - a. - Pertaining to, or derived from, or containing, phosphorus in a lower state of oxidation than in phosphoric compounds; as, hypophosphoric acid.
- Phosphor-bronze - n. - A variety of bronze possessing great hardness, elasticity, and toughness, obtained by melting copper with tin phosphide. It contains one or two per cent of phosphorus and from five to fifteen per cent of tin.
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