分ぶん子し説せつぶんしせつMeanings1nounmolecular theoryScientific term referring to the theory that matter is composed of molecules. Used in physics and chemistry contexts.分ぶん子し説せつは、物ぶっ質しつが分ぶん子しからできているという考かんがえ方かたです。Molecular theory is the idea that matter is made up of molecules.
