Alch. Obs. [ad. med.L. citrinātiōn-em, implying a vb. *citrināre, f. *citrinus CITRINE.] The turning of a substance yellow, looked upon as indicating the state of perfection or complete digestion.
c. 1386. Chaucer, Chan. Yem. Prol. & T., 263. Of oure silver citrinacioun.
1477. Norton, Ord. Alch., in Ashm. (1652), 39. In Malgams, in Blanchers and Citrinacions.
1599. Thynne, Animadv., 38. ‘Citrinatione,’ perfecte digestione, or the coolor provinge the philosophers stoone broughte almoste to the heigh[t]e of his perfectione.
c. 1645. Howell, Lett., I. VI. xli. By Heterogeneous and Sophistical Citrinations.
