nf. molecule, smallest unit in a substance or compound (usually composed of one or more atoms); tiny particle

n. molecules

n. molecule, smallest unit in a substance or compound (usually composed of one or more atoms)

(n.) = molecule.
Ex: Polymers are higher molecular weight molecules composed of several to many smaller molecules or monomers.
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* molécula de oxígeno = oxygen molecule.

molecula, moleculae
n. f. molecule;