CORROVALINE
Cor*ro"va*line (-v-ln or -ln), n. (Chem.)
Defn: A poisonous alkaloid extracted from corroval, and characterized by its immediate action in paralyzing the heart.
CORRUGANT
Cor"ru*gant (kr"r-gant), a. Etym: [L. corrugans, p. pr. See
Corrugate.]
Defn: Having the power of contracting into wrinkles. Johnson.
CORRUGATE Cor"ru*gate (kr"r-gt), a. Etym: [L. corrugatus, p. p. of corrugare; cor-+ rugare to wrinkle, ruga wrinkle; of uncertain origin.]
Defn: Wrinkled; crumpled; furrowed; contracted into ridges and furrows.
CORRUGATE Cor"ru*gate (-gt), v. t. [imp. & p.p. Corrugated (-g`td); p. pr. & vb. n. Corrugating (-g`tng).]
Defn: To form or shape into wrinkles or folds, or alternate ridges and grooves, as by drawing, contraction, pressure, bending, or otherwise; to wrinkle; to purse up; as, to corrugate plates of iron; to corrugate the forehead. Corrugated iron, sheet iron bent into a series of alternate ridges and grooves in parallel lines, giving it greater stiffness. — Corrugated paper, a thick, coarse paper corrugated in order to give it elasticity. It is used as a wrapping material for fragile articles, as bottles.
CORRUGATION
Cor`ru*ga"tion (kr`r-g"shn), n. Etym: [Cf. F. corrugation.]
Defn: The act corrugating; contraction into wrinkles or alternate ridges and grooves.