Main Entry: syn·thase Pronunciation: 'sin-"thAs, -"thAz Function: noun : any of various enzymes that catalyze the synthesis of a substance withoutinvolving the breaking of a high-energy phosphate bond (as in ATP)
synthase syn·thase (sĭn'thās', -thāz') n. Any of various enzymes that catalyze the synthesis of a substance without the use of a high-energy source such as cleavage of a phosphate bond in ATP.
