Synonym: corpuscle, molecule, mote, particle, speck. Similar words: tomato, symptom, stomach, customer, dichotomy, automatic, automobile, not to mention. Meaning: ['ætəm] 
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.
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. 
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61) The splitting of an atom sets off an explosive chain reaction.
62) Unfortunately the book was completed too soon to reflect the enormous impact of fast atom bombardment mass spectrometry on biology.
63) Then war intervened, Oppenheimer became involved in the atom bomb project, and he lost interest in gravitational collapse.
64) In crystallography, each lattice point can accommodate more than a single atom.
65) It consists of a chain of carbon atoms, with one hydrogen atom attached to each carbon.
66) In this group of ions the carbon atom is surrounded by three oxygen atoms in a planar triangle.
67) The optimum proportions of hydrogen and oxygen are thus two hydrogen atoms per oxygen atom, exactly the same as in water.
68) Exactly the same sort of behavior is found for an atom with a single p-level vacancy.
69) In other words, only certain discrete energies would be permitted, exactly as for an electron confined in a single atom.
70) The definition of a second has since officially been the time it takes a cesium atom to make 9,192,631,770 vibrations.
71) Dalton never saw an atom, or the effects of a single atom.
72) Generally, different theories are used to explain widely different phenomena, from the forces in the atom to gravity.
73) In molecules with more than one halogen atom more complicated patterns appear.
74) One day, the team hopes,(www.Sentencedict.com) it will be possible to build tiny circuits atom by atom.
75) The energy thus captured by the atom will be discharged into the molecules that surround it.
76) One molecule of ammonia contains one atom of nitrogen and three atoms of hydrogen.
77) But there is no such thing as a single atom, or single electron, that is superconducting.
78) Thus the electrons would either escape from the atom altogether or would spiral into the nucleus.
79) The remarks were worded as though it might be meaningful to maintain the individuality of each atom.
80) This constant is important because it fixes the sizes, period and energy of an electron's orbit in an atom.
81) The helium atom without its electrons is known as an alpha particle, and is therefore positively charged.
82) We could detonate a very small atom bomb in the vicinity of another.
83) This leaves one electron on each carbon atom unaccounted for.
84) He had a remote manner and didn't waste an atom of energy talking to anyone on the set except Zimmer.
85) The elementary particles known as protons, which live at the heart of every atom, will begin to decay.
86) We have seen, after all, that there is no significance in preserving the identity of any particular atom.
87) Pretty small for an atom bomb, I would have thought. 4000 kilotons.
88) If the small atom bomb went up, so then would the hydrogen bomb.
89) A single atom of copper is still a piece of copper.
90) The second atom is aligned to the selected axis.
More similar words: tomato, symptom, stomach, customer, dichotomy, automatic, automobile, not to mention, automatically, atop, orator, potato, at once, operator, educator, senator, at one time, alligator, all at once, narrator, aleatory, predator, elevator, regulator, indicator, migratory, at other times, regulatory, in the heat of, laboratory.