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English noun: atom

1. atom (substance) (physics and chemistry) the smallest component of an element having the chemical properties of the element


Broader (hypernym)substance


Narrower (hyponym)carbon atom, free radical, hydrogen atom, isotope, monad, radical


Part holonymelementary particle, fundamental particle, nucleus


Part meronymchemical element, element, molecule


Domain categorychemical science, chemistry, natural philosophy, physics

2. atom (substance) (nontechnical usage) a tiny piece of anything


Synonymscorpuscle, molecule, mote, particle, speck


Broader (hypernym)material, stuff


Narrower (hyponym)chylomicron, flyspeck, grain, grinding, identification particle









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