Definitions for halleyˈhæl i or, sometimes, ˈheɪ li
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Random House Webster's College Dictionary
Hal•leyˈhæl i or, sometimes, ˈheɪ li(n.)
Edmund or Edmond, 1656–1742, English astronomer.
Category: Biography
Princeton's WordNet
Halley, Edmond Halley, Edmund Halley(noun)
English astronomer who used Newton's laws of motion to predict the period of a comet (1656-1742)
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