10-Letter Words Containing: S,P,E,E,R

• any of a group of compounds that are inactive precursors of enzymes and require some change (such as the hydrolysis of a fragment that masks an active enzyme) to become active

• a broad highway designed for high-speed traffic

• A person employed at a zoo to attend to the animals.

• plant adapted for life with a limited supply of water; compare hydrophyte and mesophyte

• machine-readable text that is not sequential but is organized so that related items of information are connected

• make into a powder by breaking up or cause to become dust

• destroy completely

• become powder or dust