Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • Cockcroft, Sir John Douglas 1897-1967. British physicist who with Ernest Walton succeeded in splitting the atom (1931). They shared a 1951 Nobel Prize for their contributions to nuclear physics.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. British physicist who (with Ernest Walton in 1931) first split an atom (1897-1967)

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