| ADIAPHOROUS | • adiaphorous adj. Neither harmful nor beneficial. • ADIAPHOROUS adj. doing neither good nor harm. | 
| AILUROPHOBE | • ailurophobe n. A person with an irrational fear or hatred of felines. • AILUROPHOBE n. a person with a morbid fear of cats. | 
| AMMOPHILOUS | • ammophilous adj. Thriving in a sandy environment. • AMMOPHILOUS adj. sand-loving. | 
| AMPHIBOLOUS | • amphibolous adj. (Obsolete) ambiguous; doubtful. • AMPHIBOLOUS adj. ambiguous; capable of two meanings. | 
| AMPHIPODOUS | • amphipodous adj. (Zoology) Of or pertaining to the Amphipoda. • AMPHIPODOUS adj. having both walking and swimming feet. | 
| AUTOMORPHIC | • automorphic adj. (Geology) Describing a mineral, in an igneous rock, that is bounded by its own crystal face; euhedral, idiomorphic. • automorphic adj. (Mathematics) Describing a number whose square ends in the number itself; circular. • automorphic adj. (Mathematics) Of or pertaining to automorphy or an automorphism. | 
| AUTOPHOBIAS | • AUTOPHOBIA n. a morbid fear of solitude. | 
| AUTOPHOBIES | • AUTOPHOBY n. a shrinking from making any reference to oneself. | 
| AUTOPHONIES | • AUTOPHONY n. apparent distortion of one's own voice due to infection or stoppage of ears. | 
| AUTOTROPHIC | • autotrophic adj. (Biology) Relating to the production of organic compounds from carbon dioxide as a carbon source, using… • AUTOTROPHIC adj. capable of building up food materials from inorganic matter. | 
| AUXOTROPHIC | • auxotrophic adj. (Biology) Describing a strain of organism that requires a specific metabolic substance that the parent… • AUXOTROPHIC adj. requiring a specific growth substance beyond the minimum required for normal metabolism. | 
| EUROPHOBIAS | • EUROPHOBIA n. an irrational fear of Europe and things European. | 
| HALOPHILOUS | • halophilous adj. (Biology) Thriving in a highly saline environment. • HALOPHILOUS adj. tolerant of salt or saltwater. | 
| HIPPODAMOUS | • HIPPODAMOUS adj. horse-taming. | 
| TAUTOPHONIC | • tautophonic adj. Alternative form of tautophonical. • TAUTOPHONIC adj. relating to tautophony, also TAUTOPHONICAL. | 
| TOXIPHAGOUS | • TOXIPHAGOUS adj. eating poison, also TOXICOPHAGOUS. | 
| XIPHOPAGOUS | • xiphopagous adj. (Obsolete) Alternative form of xiphopagus. • XIPHOPAGOUS adj. like a xiphopagus, a set of Siamese twins joined in the region of the xiphoid cartilage. |