Atoll Atom-bomb

Atom

Meanings and phrases

atom

Pronunciation American British Australian Indian
n.
  1. (physics and chemistry) the smallest component of an element having the chemical properties of the element
  2. (nontechnical usage) a tiny piece of anything; molecule; particle; corpuscle; mote; speck

Rutherford atom

Pronunciation American British Australian Indian
n.
  1. 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

atom bomb

Pronunciation American British Australian Indian
n.
  1. 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); atomic bomb; A-bomb; fission bomb; plutonium bomb
E.g.
  • The atom bomb is the most powerful weapon in the game.
  • Fashion writer Diana Vreeland described the bikini as the "atom bomb of fashion".
  • You are given a choice of attacking with a land attack, sea attack, air attack, a missile or an atom bomb.

atom smasher

Pronunciation American British Australian Indian
n.
  1. a scientific instrument that increases the kinetic energy of charged particles; accelerator; particle accelerator

carbon atom

Pronunciation American British Australian Indian
n.
  1. an atom of carbon
E.g.
  • The two sp orbitals project on opposite sides of the carbon atom.
  • Each carbon atom in the hexagonal cycle has four electrons to share.
  • The bond length between the carbon atom and the oxygen atom is 112.8 pm.

gram atom

Pronunciation American British Australian Indian
n.
  1. the quantity of an element whose weight in grams is numerically equal to the atomic weight of the element; gram-atomic weight

hydrogen atom

Pronunciation American British Australian Indian
n.
  1. an atom of hydrogen
E.g.
  • Thus, the carbon is bonded to five boron atoms and one hydrogen atom.
  • Consider the a hydrogen atom.
  • All the numbered carbon atoms have a hydrogen atom bonded to each of them.

oxygen atom

Pronunciation American British Australian Indian
E.g.
  • However when the oxygen atom bonds to a metal, the prefix is dropped.
  • Octahedra and tetrahedra are linked together by sharing an oxygen atom.
  • The bond length between the carbon atom and the oxygen atom is 112.8 pm.

nitrogen atom

Pronunciation American British Australian Indian
E.g.
  • The prefix ""N"-" shows substitution on the nitrogen atom.
  • At the nitrogen atom, the coordination is a flattened tetrahedron.
  • Aromatic amines have the nitrogen atom connected to an aromatic ring.
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