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Oort

/ ɔːt /

noun

  1. OortJan Hendrick19001992MDutchSCIENCE: astronomer 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 )
“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


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Example Sentences

From Fredericks-Oort they went on to Ommershaus, where is the poor-house and penal colony belonging to the former institution.

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

Arachnothera longirostris buttikoferi van Oort: Little Spiderhunter.

The good rich "widdow" whom he left soon changed her loneliness for the pleasures of married life, this time with Mr. John Oort.

Van Oort renders it, "He looked for reason, but behold treason; and for right, but behold affright."

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oopsOort cloud