Crossword clues for Cat's Cradle substance 7 letters:ICENINECat's Cradle substanceICENINECrystallizing substance in Vonnegut's "Cat's Cradle"ICENINECrystallizing substance in Kurt Vonnegut's "Cat's Cradle"ICENINESubstance causing a global catastrophe in "Cat's Cradle"ICE___-nine (substance in "Cat's Cradle")