13-Letter Words Containing: H,A,L,O,N,_

• subject to psychoanalytic treatment

• 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.

• To introduce a hydroxyl group into a compound

• cause to adopt Catholicism

• An evolutionary trend in which the neural and sense organs become centralized at one end (the head) of an animal.

• The redistribution of blood flow from the base of the lung towards the upper lobe vessels as a consequence of pulmonary venous hypertension, usually described on a chest radiograph.

• admit into a hospital

• the quality of being parallel to the horizon