Xenopus petersii, a species of central African frog.

(inorganic chemistry) Any salt, of the hypothetical nitroprussic acid, that contains a pentacyanonitrosylferrate anion

(soccer) The area of the pitch, extending six yards from the goal, from which a goal kick is taken.

Brassica oleracea var. alboglabra, kailan, a long, blue-green vegetable with thick, glossy stems and leaves typically eaten in Chinese and particularly Cantonese cooking; gailan.