Definition of ylem in English:


Line breaks: ylem
Pronunciation: /ˈiːlɛm


[mass noun] Astronomy
  • (In the Big Bang theory) the primordial matter of the universe, originally conceived as composed of neutrons at high temperature and density.
    More example sentences
    • We had to use primordial ylem.


1940s: from late Latin hylem (accusative) 'matter'.

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Word of the day maelstrom
Pronunciation: ˈmeɪlstrəm
a powerful whirlpool in the sea