(chiefly imperative) To sit down on a chair: to go from a non-seated position to sitting on a chair. / Used other than figuratively or idiomatically: see pull up, a, chair.

A room equipped for carrying out torture.

Alternative form of very-long-chain

(organic chemistry, of an aliphatic compound) Having a chain of more than about eighteen carbon atoms.

(idiomatic) Something which is initially regarded as advantageous but which is later recognized to be disadvantageous or harmful; an apparently beneficial or benign instrument or scheme for causing death or harm.

(nautical) Any material, usually rope or canvas, used to protect sails, rigging, etc., at points where they are exposed to friction.

(astronomy) A group of six stars in Cassiopeia, somewhat resembling a chair.

(physics) A chained series of the products of nuclear decay of a particular isotope

A manganese salt, especially potassium permanganate.

plural of chameleon mineral