cellulosan

noun
cel·​lu·​los·​an | \ ˌsel-yə-ˈlōs-ᵊn How to pronounce cellulosan (audio) , -ˌlō-ˈsan How to pronounce cellulosan (audio) \

Medical Definition of cellulosan

: any of several carbohydrates (as xylan and mannan) occurring in close association with cellulose in cell walls