cofactor /kō-fakˈtər/

1. A factor which occurs along with other factors in multiplication
2. A nonprotein organic molecule or a metallic ion that binds with an enzyme and is essential to the enzyme's activity (biology)

• stoolie
• stoolies
• stooling
• stool of repentance
• stool pigeon
• stool pigeons
• stools
• stoop
• stoop and roop
• stoope
• stooped
• stoope-gallaunt
• stooper
• stoopers
• stoopes
• stoop-gallant
• stoop-gallants
• stooping
• stoopingly
• stoops
• stoor
• stoors
• stooshie
• stooshies
• stooze