atom : Idioms & Phrases


atom bomb

  • noun a nuclear weapon in which enormous energy is released by nuclear fission (splitting the nuclei of a heavy element like uranium 235 or plutonium 239)
    fission bomb; atomic bomb; plutonium bomb; A-bomb.
WordNet

atom smasher

  • noun a scientific instrument that increases the kinetic energy of charged particles
    particle accelerator; accelerator.
WordNet

atom-bomb

  • verb bomb with atomic weapons
    nuke.
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carbon atom

  • noun an atom of carbon
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gram atom

  • noun the quantity of an element whose weight in grams is numerically equal to the atomic weight of the element
    gram-atomic weight.
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hydrogen atom

  • noun an atom of hydrogen
WordNet

rutherford atom

  • noun first modern concept of atomic structure; all of the positive charge and most of the mass of the atom are contained in a compact nucleus; a number of electrons (equal to the atomic number) occupy the rest of the volume of the atom and neutralize the positive charge
WordNet

Unsymmetrical carbon atom

  • (Chem.), one which is united at once to four different atoms or radicals. This condition usually occasions physical isomerism, with the attendant action on polarized light.
Webster 1913

Vortex atom

  • (Chem.), a hypothetical ring-shaped mass of elementary matter in continuous vortical motion. It is conveniently regarded in certain mathematical speculations as the typical form and structure of the chemical atom.
Webster 1913