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Relating to, or causing, catalysis. "The catalytic power is ill understood." Ure. Catalytic force, that form of chemical energy formerly supposed to determine catalysis.

The catalytic force.

as a thick liquid by the action of sulphiric acid on alcohol. It appears to be the active catalytic agent in the process of etherification.

substances, as a rule soluble in glycerin and precipitated by alcohol. In action they are catalytic and, mainly, hydrolytic. Good examples are pepsin of the dastric juice, ptyalin of the salvia, and disease of malt. globular proteins, capable of catalyzing a wide variety of chemical reactions, not merely hydrolytic. Th…

r Sulphur. -- Sulphuric ether, common anæsthetic ether; -- so called because made by the catalytic action of sulphuric acid on alcohol. See Ether, 3 (a).

crude acid and to deliver concentrated acid charged with nitrous fumes. These fumes, as a catalytic, effect the conversion of sulphurous to sulphuric acid. See Sulphuric acid, under Sulphuric, and Gay Lussac's tower, above. -- Round tower. See under Round, a. -- Shot tower. See under Shot. -- Tower bastion (Fort.),…