Meanings
nounmirror matter (uncountable)
- uncountablenatural sciencesA hypothetical mirrored counterpart to ordinary physical matter.
Synonyms: shadow matter
Synonyms & antonyms
nounA hypothetical mirrored counterpart to ordinary physical matter.
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Cite this entry
APA
mirror matter. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/mirror%20matter
MLA
“mirror matter.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/mirror%20matter. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “mirror matter,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/mirror%20matter.
Source: mirror matter on Wiktionary, CC BY-SA 4.0.