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ylem

[ ahy-luhm ]
/ ˈaɪ ləm /
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noun
the hypothetical initial substance of the universe from which all matter is derived.
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Origin of ylem

First recorded in 1945–50; adoption, in modern astrophysics, of Middle English ylem (Gower), from Medieval Latin (h)ȳlem, from Late Latin, accusative of hȳlē “stuff, materials, matter,” from Greek hȳ́lē “forest, wood, woodland,” and in Aristotle's philosophy “matter”

Words nearby ylem

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

British Dictionary definitions for ylem

ylem
/ (ˈaɪləm) /

noun
the original matter from which the basic elements are said to have been formed following the explosion postulated in the big bang theory of cosmology

Word Origin for ylem

Middle English, from Old French ilem, from Latin hӯlē stuff, matter, from Greek hulē wood, matter
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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