(pharmacology) A synthetic compound C₅₁H₃₄N₆Na₆O₂₃S₆ derived from urea, obtained as a white powder and administered intravenously to treat early stages of African sleeping sickness, onchocerciasis,...

plural of Christianess

The common poppy (Papaver rhoeas), widespread in western Eurasia and North Africa, formerly a common agricultural weed, now often used in gardens.

plural of argillic