9-Letter Words Starting: IS

• Any of a group of enzymes that catalyze the same reaction but have different structures and physical, biochemical and immunological properties.

• cause to change into an isomer

• change into an isomer

• antibacterial drug (trade name Nydrazid) used to treat tuberculosis

• containing a closed ring of atoms of the same kind especially carbon atoms

• A line on a chart connecting points of equal density.

• Of points on a surface, or in a medium: having equal densities.

• The univalent organic radical (CH3)2CH-

• local anemia in a given body part sometimes resulting from vasoconstriction or thrombosis or embolism

• Anything that exhibits isomorphism