oort
World English Dictionary
Oort (ɔːt) ![[Click for IPA pronunciation guide]](http://static.sfdict.com/dictstatic/g/d/dictionary_questionbutton_default.gif) | |
| —n | |
| 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 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
WordNet
| oort | |
noun | |
| Dutch astronomer who proved that the galaxy is rotating and proposed the existence of the Oort cloud (1900-1992) |
WordNet® 3.0, © 2006 by Princeton University.
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00:10
Oort
is always a great word to know.
So is doohickey. Does it mean:
| a gadget; dingus; thingumbob. |
| an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle. |
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