Englishfor English speakers
mysterium
English
Meaning mysterium meaning
What does mysterium mean?
mysterium
noun
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(chemistry, alchemy, now, _, historical) 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.
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(astronomy, now, _, historical) The hypothetical source of a galactic radio emission at 1665 megahertz (later identified as due to hydroxyl radicals in interstellar space).
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