mysterium
Meanings
noun
- 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.
- The hypothetical source of a galactic radio emission at 1665 megahertz (later identified as due to hydroxyl radicals in interstellar space).
Pronunciation
Word forms
Etymology
Borrowed from Latin mystērium. Doublet of mystery.
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