12-Letter Words Containing: H,O,R,S,O,N,_

• The oral part of the pharynx, reaching from the uvula to the level of the hyoid bone.

• an antimalarial drug used to treat malaria and amebic dysentery and systemic lupus erythematosus

• a layer in the stratosphere (at approximately 20 miles) that contains a concentration of ozone sufficient to block most ultraviolet radiation from the sun

• an instrument that indicates whether two periodic motions are synchronous (especially an instrument that enables a pilot to synchronize the propellers of a plane that has two or more engines)