12-Letter Words Containing: H,O,L,A

• capable of undergoing hydrolysis

• roentgenographic examination of lymph nodes and lymph vessels after injection of a radiopaque contrast medium; produces a lymphangiogram

• Of, or relating to exophthalmos.

• Having prominent eyeballs.

• Any of various typically yellow-brown dinoflagellates (originally grouped as genus Zooxanthella) now assigned to the genera Symbiodinium and Amphidinium, notably found in coral reefs.

• yellow carotenoid pigments in plants and animal fats and egg yolks

• the act of writing dictionaries