fluoresce

[ floo-res, flaw-, floh- ]

Phonetic (Standard)IPA

verb (used without object)

, fluo·resced, fluo·resc·ing.

fluoresce

/ ˌflʊəˈrɛs /

First recorded in 1870–75; back formation from fluorescence

C19: back formation from fluorescence

Certain crystals, like barium platinum cyanide, fluoresce when struck by the "X" rays.

Various stains on the paper fluoresce yellow, which also indicates a considerable history for the document.

Liquids which fluoresce only do so while the exciting light is falling on them, ceasing immediately the exciting light is cut off.

Some substances also, which fluoresce at ordinary temperatures, will phosphoresce at low temperatures.

Diamonds, rubies and many minerals fluoresce brilliantly in the path of cathode rays.

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