English dictionary



Hint: Question mark (?) is a wildcard. Question mark substitutes one character.

English noun: atomic number 15

1. atomic number 15 (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


SynonymsP, phosphorus


Broader (hypernym)chemical element, element


Substance meronymapatite









Based on WordNet 3.0 copyright © Princeton University.
Web design: Orcapia v/Per Bang. English edition: .
2025 onlineordbog.dk