† chyazic, a. Chem.
(kaɪˈæzɪk)
[f. the initial letters of c-arbon, hy-drogen, and az-ote + -ic.]
chyazic acid: an old name of Prussic acid.
1819 J. G. Children Chem. Anal. 325 Sulphocyanic acid was discovered by Mr. Porrett in 1808..but in 1814, he published a more detailed account of its properties under the name of sulphuretted chyazic acid. 1847–9 Todd Cycl. Anat. IV. 417/2 The sulphuretted Chyazic acid of Porrett. |