7 letters · 12 points in Scrabble
noun a cellulose ester obtained by treating cellulose with caustic soda
noun a rayon fabric made from viscose (cellulose xanthate) fibers
originFrom Latin viscōsus, from viscum (“birdlime”); by surface analysis, visco- + -ose. Doublet of viscous.
Etymology from Wiktionary, CC BY-SA 3.0