i·som·er·ase 
(ī-sŏmə-rās′)
(ī-sŏmə-rās′)n.
Any of a class of enzymes that catalyze the conversion of one isomer into another.
- fortifiable
- fortification
- fortified wine
- fortifier
- fortify
- fortifyingly
- fortis
- fortissimo
- fortitude
- fortitudinous
- Fort-Lamy
- Fort-Lamy
- Fort Lauderdale
- Fort Lee
- Fort McMurray
- Fort Myers
- Fort Nelson
- fortnight
- fortnightly
- for/to all intents and purposes
- Fortran
- fortress
- Fort Smith
- fortuitous
- fortuitously