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[mass noun] A colourless solid compound obtained from coal tar, used in the manufacture of dyes and drugs.
- ‘Radiation from nuclear bombs and gaseous particles from nitrogen mustard and acridine orange have been used destructively in war.’
- ‘The amount of polymer trapped by the capsules was quantified by titration with the positively charged dye acridine orange.’
- ‘He went on to demonstrate that this effect was greater than that of either acridine alone, light alone or acridine exposed to light and then added to the paramecium.’
- ‘This effect of cholesterol was not observed in the results obtained here with acridine orange.’
- ‘Subsequent to the laser photolysis, leakage of acridine orange is observed via the increase in fluorescence under constant illumination with exciting light.’
Late 19th century: coined in German from acrid + -ine.
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