English noun: P | |||
1. | P (substance) 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 | ||
Synonyms | atomic number 15, phosphorus | ||
Broader (hypernym) | chemical element, element | ||
Substance meronym | apatite | ||
2. | P (communication) the 16th letter of the Roman alphabet | ||
Broader (hypernym) | alphabetic character, letter, letter of the alphabet | ||
Member meronym | Latin alphabet, Roman alphabet | ||