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[mass noun] A bright orange-red dye derived from acridine, used as an antiseptic.
- ‘Some acriflavine added as a bacterial prophylactic.’
- ‘Compared with cytotoxic photoprotectants like herberine, palmatine and acriflavine, the anionic dyes have no adverse effects up to a concentration of 1 M.’
- ‘All the respiratory-deficient mutants previously isolated in our laboratory have been induced by treatment with acriflavine or ethidium bromide.’
Early 20th century: formed irregularly from acridine + Latin flavus yellow + -ine.
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The definitions of ‘buddy’ and ‘bro’ in the OED have recently been revised. We explore their history and increase in popularity.