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Pronunciation varies by accent · noun
(organic chemistry) Any of a class of yellow xanthene dyes which are visible when highly diluted; used forensically to detect traces of blood, and in analytical chemistry as an indicator in silver nitrate titrations.
Use fluorescein when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Fluorescein means (organic chemistry) Any of a class of yellow xanthene dyes which are visible when highly diluted; used forensically to detect traces of blood, and in analytical chemistry as an indicator in silver nitrate titrations.
Common synonyms include resorcinolphthalein, fluorescent dye, fluoresceine.
The opposite depends on the specific sense.
Use fluorescein where its definition matches the intended context.
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