To convert into, or change to, a vitriol; to make into sulphuric acid or a sulphate. / To subject to the action of, or impregnate with, vitriol.

The boredom of a dull PowerPoint presentation, normally consisting of simple bulleted lists and conventional graphics.

(anatomy) Either of the two valves in the heart, situated between the atria and the ventricles, that prevent backflow from the ventricles into the atria during systole.

A North Atlantic species of wolffish, Anarhichas minor.