de·hy·dra·tase 
(dē-hīdrə-tās′, -tāz′)
(dē-hīdrə-tās′, -tāz′)n.
An enzyme that catalyzes the removal of oxygen and hydrogen from organic compounds in the form of water.
- Present-day English
- presentee
- presenteeism
- presenter
- presentient
- presentiment
- presentimental
- presently
- presentment
- presentness
- present participle
- present perfect
- present tense
- preservability
- preservable
- preservation
- preservationism
- preservationist
- preservative
- preserve
- preserver
- preset
- presettable
- preshrunk
- pre-shrunk