Jisho

×
Noun
1. molecular weight
Wikipedia definition
2. Molecular massThe molecular mass (m) of a substance is the mass of one molecule of that substance, in unified atomic mass unit(s) u (equal to 1/12 the mass of one atom of the isotope carbon-12). This is numerically equivalent to the relative molecular mass (Mr) of a molecule, frequently referred to by the term molecular weight, which is the ratio of the mass of that molecule to 1/12 of the mass of carbon-12 and is a dimensionless number.
Read “Molecular mass” on English Wikipedia
Read “分子量” on Japanese Wikipedia
Read “Molecular mass” on DBpedia

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