re·duc·tase 
(rĭ-dŭktās′, -tāz′)
(rĭ-dŭktās′, -tāz′)n.
Any of various enzymes that catalyze the reduction of an organic compound.
[REDUCT(ION) + -ASE.]
- Stephenson
- Stephen William
- step in
- step-in
- stepladder
- stepmother
- step on it
- step on someone's toes
- step on toes
- step out
- stepparent
- stepparenting
- steppe
- stepped-up
- stepper
- stepping-off place
- steppingstone
- step rocket
- stepsibling
- stepsister
- stepson
- step stool
- step/tread on (someone's) toes
- step turn
- step up