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We found 9 dictionaries with English definitions that include the word atomic number 15: Click on the first link on a line below to go directly to a page where "atomic number 15" is defined. General (8 matching dictionaries) atomic number_15: Vocabulary.com [home, info] atomic number_15: Dictionary.com [home, info] Atomic number 15: Rhymezone [home, info] atomic number_15: Free Dictionary [home, info] atomic number_15: Mnemonic Dictionary [home, info] atomic number_15: WordNet 1.7 Vocabulary Helper [home, info] atomic number_15: LookWAYup Translating Dictionary/Thesaurus [home, info] atomic number_15: Dictionary/thesaurus [home, info] Computing (1 matching dictionary) atomic number_15: Encyclopedia [home, info]

Quick definitions from WordNet (Atomic number 15) ▸ 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