13-Letter Words Containing: A,E,H,X

• extremely high fever (especially in children)

• 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.

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

• of or relating to lexicography

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