(historical) Haida Gwaii.

The portion of British Antarctic Territory from Weddell Sea to the South Pole.

A chess opening characterized by the move 1.d4, in which the white queen's pawn advances two squares as the first move.

(chess) A knight's pawn on the queenside; i.e., a pawn on the b-file.

(chess) A rook's pawn on the queenside; i.e., a pawn on the a-file.

(chess) A bishop's pawn on the queenside; i.e., a pawn on the c-file.

plural of queen's bishop's pawn

plural of queen's rook's pawn

An evolutionary hypothesis which proposes that organisms must constantly adapt, evolve, and proliferate not merely to gain reproductive advantage, but also simply to survive while pitted against other evolving organisms in an ever-changing environment.

10-hydroxy-2-decenoic acid, a bioactive compound found in royal jelly.