(inorganic chemistry) An industrial method for the production of sulphuric acid

Fine French brandy from the Grande Champagne or Petite Champagne wine-growing areas of Cognac.

(UK, informal) By far.

(architecture) A small, ornately carved wooden protrusion in a cathedral wall, allowing a person to rest against it without actually sitting during long religious services.

(chess) A locked diagonal formation of pawns, each one supported by a friendly pawn diagonally behind and blocked by an enemy pawn directly ahead.

A space shuttle, named after HMS Challenger (1858), destroyed on January 28, 1986 with loss of its seven-member crew.

(rail transport) a steam locomotive of the 4-6-6-4 wheel arrangement.

The room in which capital punishment is carried out.

Budorcas taxicolor

A short-lived plant in the family Asteraceae, Cota tinctoria, with yellow flowers that were formerly used to make dyes.