13-Letter Words Containing: A,X,T,O

• the mathematical process of finding the maximum value of a function

• the act of raising to the highest possible point or condition or position

• 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 place something or someone in a particular context.

• To introduce a hydroxyl group into a compound

• extinct primitive toothed bird of the Jurassic period having a long feathered tail and hollow bones; usually considered the most primitive of all birds

• abnormal dryness of the conjunctiva and cornea of the eyes; may be due to a systemic deficiency of vitamin A

• accumulation of fluid in the pleural cavity (the space between the lungs and the walls of the chest) often resulting from disease of the heart or kidneys