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Oort

/ (ɔːt) /

noun

Jan Hendrick. 1900–92, Dutch astronomer, who confirmed (1927) and developed the theory of galactic rotation. He was the first to propose (1950) the existence of a mass of comets orbiting the sun far beyond the orbit of Pluto (the Oort cloud)

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Words nearby Oort

oophorostomy, oophorotomy, oophyte, ooplasm, oops, Oort, Oort cloud, oory, oose, oosperm, oosphere
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example sentences from the Web for Oort

  • The Dutch scholars, Kuenen and Oort, believe that he wrote none.

    The Bible|John E. Remsburg