Ylem vs Hyle - What's the difference?
ylem | hyle | Alternative forms |
In the Big Bang theory, the hot and dense plasma of which the cosmos consisted at the time of recombination in an early stage of its expansion and cooling, when the first atoms formed and photons decoupled, the source of the cosmic background radiation.
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* {{quote-book
, year=1959
, author= James Blish
, title= A Clash of Cymbals (UK)/The Triumph of Time (USA)
, chapter=
, url=
, isbn=
, page=171
, passage= The ylem was the primordial flux of neutrons out of which all else emerged.}}
(obsolete, philosophy) matter
The first matter of the cosmos, from which the four elements arose, according to the doctrines of Empedocles and Aristotle.