CYANIC ACID • FREE TRANSLATOR.ORG • Definition of Cyanic acid

... the deadly poison out of his lungs, but it seemed as though Horace and the third lad had inhaled so much of the gas that all their efforts were in vain. The doctor looked grave when Mr. Skeats told him the boys had been breathing hydro-cyanic acid gas. The application of artificial respiration was redoubled, but it was not until nearly four o'clock that Horace began to revive, and what Leonard felt during those awful hours of suspense could be better imagined than described! The laboratory had been locked up, as soon as it was known what had ...

— That Scholarship Boy • Emma Leslie