Emitting visible light, often used as a misspelling or variant of 'fluorescent' describing bright, glowing materials.
This appears to be a variant or misspelling of 'fluorescent' (from fluorspar, a mineral). If used intentionally, it might derive from 'flourish' + suffix, but 'fluorescent' is the standard spelling from Latin 'fluere' (to flow) plus '-escent'.
This is likely a spelling confusion—'fluorescent' (the correct form) comes from fluorspar mineral and was named after the fluorescing property, while 'flourescent' would logically come from 'flourish,' but that's not how the word actually developed!
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