Betulin :: Betulin (n.) A substance of a resinous nature, obtained from the outer bark of the common European birch (Betula alba), or from the tar prepared therefrom; -- called also birch camphor..
Betumble :: Betumble (v. t.) To throw into disorder; to tumble.
Boletus :: Boletus (n.) A genus of fungi having the under side of the pileus or cap composed of a multitude of fine separate tubes. A few are edible, and others very poisonous..
Cathetus :: Cathetus (n.) One line or radius falling perpendicularly on another; as, the catheti of a right-angled triangle, that is, the two sides that include the right angle..
Concreture :: Concreture (n.) A mass formed by concretion.