atom
noun /ˈætəm/
/ˈætəm/
- the smallest particle of a chemical element that can exist
- the splitting of the atom
- Two atoms of hydrogen combine with one atom of oxygen to form a molecule of water.
- The scientist Ernest Rutherford was the first person to split the atom.
- positively charged atoms
Wordfinder- amplitude
- atom
- energy
- fission
- force
- frequency
- gravity
- molecule
- nuclear
- physics
WordfinderTopics Physics and chemistryb2- antiparticle
- atom
- electron
- ion
- neutron
- nucleus
- particle
- positron
- proton
- valency
Oxford Collocations Dictionaryadjective- charged
- unstable
- carbon
- …
- split
- bomb
Word Originlate 15th cent.: from Old French atome, via Latin from Greek atomos ‘indivisible’, based on a- ‘not’ + temnein ‘to cut’.