13-Letter Words Containing: A,L,L,O,T,H

• 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.

• the branch of medicine concerned with the eye and its diseases

• one part in a quadrillion equal parts

• the ordinal number of one quadrillion in counting order

• in a prophetic manner

• with respect to color

• a dark brown mineral of the amphibole group; magnesium iron silicate

• The study of the structure of metals and their alloys, by any of a variety of techniques

• A process for utilising metal plates in a manner similar to lithographic stones.

• A process of imitating the grain of wood on metals.