10-Letter Words Containing: O,P,R,S,Y

• 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

• An engraving in wood or woodcut, especially one used in printing predating the Western tradition (14th c.).

• A print taken from such an engraving.

• a plant spore formed by two similar sexual cells

• highly flammable nitrocellulose used in making collodion and plastics and lacquers

• scientific instrument consisting of a rotating drum holding paper on which a stylus traces a continuous record (as of breathing or blood pressure)

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

• accompanied by or of the nature of paroxysms