triacidn.adj.

1896 A. B. Lee Microtomist's Vade-Mecum (ed. 4) xviii. 223 Ehrlich's Triacid Mixture.—According to a custom which, I believe, originated with Ehrlich himself, and which would, perhaps, be better honoured in the breach than the observance, the name of Triacid (‘Triacidlösung’) has been given to a mixture of the same three dyes as in the Ehrlich-Biondi mixture, but in such proportions that the ‘acid’ colours therein have a larger share assigned to them.

1899 Jrnl. Royal Microsc. Soc. 379 Polychromatic normoblasts which become violet in eosin and methylen-blue and red in triacid.

1929 Slider & Downey in C. E. McClung Handbk. Microsc. Technique vii. 248 The triacid stain is used for five minutes.

1929 Slider & Downey in C. E. McClung Handbk. Microsc. Technique vii. 248 Triacid contains methyl green, orange G and acid fuchsin.

1976 P. Collard Devel. Microbiol. v. 54 In 1880 he [sc. P. Ehrlich] published an account of his famous tri-acid stain for the differential staining of leucocytes.

1945 C. Chen & B. F. Daubert in Jrnl. Amer. Chem. Soc. 67 1256/1 ‘Triacid triglycerides’ is used in this report to describe those triglycerides consisting of three different fatty acids.

1977 Appl. Spectrosc. XXXI. 122/1 Seven diacid and five triacid saturated triglycerides have been investigated by infrared spectroscopy.