mysterium

English dictionary entry

Meanings

noun
  1. Any of various unknown elements thought to make up existing forms of matter, or a substance seen as an elemental or pure form of something else.
  2. The hypothetical source of a galactic radio emission at 1665 megahertz (later identified as due to hydroxyl radicals in interstellar space).

Pronunciation

/mɪˈstɪəɹɪəm/ /mɪˈstɪɹiəm/

Word forms

mysterium mysteria

Etymology

Borrowed from Latin mystērium. Doublet of mystery.

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