(chemistry) The smallest particle of a specific element or compound that retains the chemical properties of that element or compound; two or more atoms held together by chemical bonds. / A tiny amount.

plural of molecule

(chemistry) The amount of a compound whose mass in grams is that of its molecular weight; a mole of molecules.

plural of giant molecule

(chemistry) A macromolecule.

(biology) A molecule metabolized by a cell to generate adenosine triphosphate (ATP) and NADPH. Types include: carbohydrate, fat and protein.

(physics) A molecule, especially one consisting of two atoms of the same element, that has a permanent dipole because one of the atoms is in a very high excited state.

plural of fuel molecule

plural of gram molecule

plural of Rydberg molecule