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)

• torrentially
• torrents
• torrentuous
• torret
• torrets
• Torricellian
• Torricellian tube
• Torricellian vacuum
• torrid
• torrider
• torridest
• torridities
• torridity
• torridly
• torridness
• torridnesses
• Torridonian
• torrid zone
• torrid zones
• torrs
• tors
• torsade
• torsades
• torse
• torsel