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)

• pendicle
• pendicler
• pendiclers
• pendicles
• pending
• Pendolino
• pendragon
• pendragons
• pendragonship
• pendragonships
• pen-driver
• pen-drivers
• pends
• pendular
• pendulate
• pendulated
• pendulates
• pendulating
• penduline
• pendulosities
• pendulosity
• pendulous
• pendulously
• pendulousness
• pendulousnesses