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Tha·les(thā′lēz) 624?-546? bc.
Greek philosopher who is traditionally considered the first Western philosopher and a founder of geometry and abstract astronomy. He maintained that matter is composed of water.
Tha·le′sian (thā-lē′zhən) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Biography) ?624–?546 bc, Greek philosopher, mathematician, and astronomer, born in Miletus. He held that water was the origin of all things and he predicted the solar eclipse of May 28, 585 bc
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
c640–546? B.C., Greek philosopher, born in Miletus.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
624?-546? b.c. Greek philosopher who was a founder of geometry and abstract astronomy.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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|Noun||1.||Thales - a presocratic Greek philosopher and astronomer (who predicted an eclipse in 585 BC) who was said by Aristotle to be the founder of physical science; he held that all things originated in water (624-546 BC)|
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