12-Letter Words Containing: H,E,L,L

• capable of undergoing hydrolysis

• 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.

• Having multiple ancestral sources; referring to a taxon that does not contain the most recent common ancestor of its members.

• regeneration on a reduced scale of a body part; observed especially in invertebrates such as certain lobsters