regular convex solid
— Noun
– English
～ any one of five solids whose faces are congruent regular polygons and whose polyhedral angles are all congruent
Ringer solution
— Noun
– English
～ an aqueous solution containing the chlorides of sodium and potassium and calcium that is isotonic to animal tissues; used to correct dehydration and (in physiological experiments) as a medium for in vitro preparations
Ringer's solution
— Noun
– English
～ an aqueous solution containing the chlorides of sodium and potassium and calcium that is isotonic to animal tissues; used to correct dehydration and (in physiological experiments) as a medium for in vitro preparations
red sorrel
— Noun
– English
～ East Indian sparsely prickly annual herb or perennial subshrub widely cultivated for its fleshy calyxes used in tarts and jelly and for its bast fiber