dark light
nounEtymology From dark + light; dark being like black, "dark" being a metaphor for the invisible (non-visible light).
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Slang Synonym of black light (ultraviolet light)
dark light
nounEtymology Blend of dark matter + light. From being a force found in the dark sector that acts on dark matter, analog to light in the "light sector" (the part of the universe that is not part of the dark sector) that acts on "light matter" (ordinary matter that interacts electromagnetically, thus visibly).
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Astronomy, Astrophysics, Cosmology, Natural sciences, Physical sciences, Physics A hypothetical force of nature that acts on dark matter to allow dark matter to interact with itself.
- Related terms
- dark energy, dark matter, dark sector