14-Letter Words Containing: H,I,S,P,I,D,_

• an underactive thyroid gland; a glandular disorder resulting from insufficient production of thyroid hormones

• failure of one or both testes to move into the scrotum as the male fetus develops

• a drug used as an anesthetic by veterinarians; illicitly taken (originally in the form of powder or `dust') for its effects as a hallucinogen

• considered a possible ancestor to both anthropoid apes and humans

• excessive acidity