Definition of Atomic Number 42 in English :
Define Atomic Number 42 in English
Atomic Number 42 meaning in English
Meaning of Atomic Number 42 in English
Pronunciation of Atomic Number 42 in English
Atomic Number 42 pronunciation in English
Pronounce Atomic Number 42 in English
Atomic Number 42
see synonyms of atomic number 42Noun
1. atomic number 42, mo, molybdenum
a polyvalent metallic element that resembles chromium and tungsten in its properties; used to strengthen and harden steel
WordNet Lexical Database for English. Princeton University. 2010.