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)

• stoopingly
• stoops
• stoor
• stoors
• stooshie
• stooshies
• stooze
• stoozed
• stoozer
• stoozes
• stoozing
• stop
• stop-and-search
• stop at nothing
• stopbank
• stopbanks
• stop bath
• stop baths
• stop by
• stopcock
• stopcocks
• stop codon
• stop codons
• stop-consonant
• stop down