13-Letter Words Containing: THE

• to believe especially on uncertain or tentative grounds

• 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 psychiatry concerned with psychological methods

• the treatment of mental or emotional problems by psychological means

• surgical interruption of a nerve pathway in the sympathetic nervous system

• To describe in terms of a mathematical equation.

• therapy that uses physical agents: exercise and massage and other modalities

• A film archive with small cinemas, screening classic and art-house films.

• the flower of a chrysanthemum plant

• any of numerous perennial Old World herbs having showy brightly colored flower heads of the genera Chrysanthemum, Argyranthemum, Dendranthema, Tanacetum; widely cultivated