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rubiform
From Wiktionary, the free dictionary
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English
Etymology
Latin rubifōrmis, from ruber (“red”) + -fōrmis.
Adjective
rubiform (comparative more rubiform, superlative most rubiform)
- (archaic) reddish
- 1704, I[saac] N[ewton], “(please specify |book=1 to 3)”, in Opticks: Or, A Treatise of the Reflexions, Refractions, Inflexions and Colours of Light. […], London: […] Sam[uel] Smith, and Benj[amin] Walford, printers to the Royal Society, […], →OCLC:
- the rubiform rays of the sun
References
- “rubiform”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.
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