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atom British & World English

The smallest particle of a chemical element that can exist

the atom in atom British & World English

Atomic particles as a source of nuclear energy

atom bomb British & World English

A bomb which derives its destructive power from the rapid release of nuclear energy by fission of heavy atomic nuclei, causing damage through heat, blast, and radioactivity

hollow atom British & World English

An atom in which inner-shell electrons are missing, usually as a result of electrical excitation

atom smasher British & World English

Informal term for particle accelerator.

Rydberg atom British & World English

An atom in a highly excited state in which one electron has almost sufficient energy to escape. Atoms, usually hydrogen atoms, in this Rydberg state are used in atomic research

atom English Thesaurus

they build tiny circuits atom by atom

atom English-Spanish

átomo masculine

atom bomb English-Spanish

bomba feminine atómica

atom chain in chain English-Spanish

cadena de átomos

a hydrogen atom in atom English-Spanish

un átomo de hidrógeno

he hasn't an atom of sense in atom English-Spanish

no tiene ni pizca de sensatez

there's not an atom of truth in it in atom English-Spanish

no hay un ápice de verdad en ello