A vasoconstrictor that causes narrowing of blood vessels

A practical joke device that consists of a coiled spring inside a disc worn in the palm of the hand. When the wearer shakes hands with another person, a button on the disc releases the spring, whic...

Reminiscent of the works of Orcagna (Andrea di Cione di Arcangelo; c. 1308–1368), Italian painter, sculptor, and architect.

(chemistry, transitive) To replace one or more hydrogen atoms in (a molecule) with deuterium.