Associations to the word «Phosphorus»

PHOSPHORUS, noun. (chemistry) a chemical element (symbol P) with an atomic number of 15, that exists in several allotropic forms.

PHOSPHORUS, noun. (obsolete) any substance exhibiting phosphorescence; a phosphor

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

PHOSPHORUS, proper noun. An ancient Greek name for the morning star (the planet Venus when it is visible in the eastern sky before sunrise).

PHOSPHORUS BOTTLE, noun. An early form of friction match involving a splint tipped with sulfur dipped into a bottle of phosphorous and then ignited by friction

PHOSPHORUS CACHEXIA, noun. (medicine) a wasting disease caused by exposure to phosphorus

PHOSPHORUS CYCLE, noun. The cyclic movement of phosphorus through the biogeochemical environment

PHOSPHORUS MATCH, noun. Any of several early form of matches tipped with white phosphorus

PHOSPHORUS NECROSIS, noun. An occupational disease once common in phosphorus match workers

PHOSPHORUS OXYNITRIDE, noun. (chemistry) an inorganic polymer, of empirical formula PON, used as a flame retardant etc

PHOSPHORUS PASTE, noun. A paste of yellow phosphorus and water, mixed with flour and used as an insecticide and rat poison

PHOSPHORUS PASTE, noun. A paste of white phosphorus used to tip early matches

PHOSPHORUS PENTOXIDE, noun. (inorganic compound) the compound, P2O5, formed by the spontaneous combustion of white phosphorus in air; it reacts violently with water to form phosphoric acid and is used as a powerful desiccating agent

PHOSPHORUS POISONING, noun. Poisoning due to the presence of phosphorus; a classic symptom is phossy jaw

PHOSPHORUS SESQUISULPHIDE, noun. (chemistry) (obsolete) tetraphosphorus trisulphide

PHOSPHORUS STEEL, noun. A steel containing more phosphorus than carbon.

PHOSPHORUS YLIDE, noun. A molecule of phosphorus that contains both covalent and ionic bonds.

PHOSPHORUS, 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.

PHOSPHORUS, noun. A planet (usually Venus) seen just before sunrise in the eastern sky.