| atypical |
not like others of the same type; not typical; unusual. |
| Au |
symbol of the chemical element gold. |
| aubergine |
(chiefly British) a plant cultivated for its fruit, or the dark purple, ovoid fruit itself, which is eaten as a vegetable; an eggplant. [2 definitions] |
| auburn |
a medium brown or reddish brown color. |
| au contraire |
(French) on the contrary. [2 definitions] |
| au courant |
in the current (French); knowledgeable about current events or other matters of the moment; up-to-date. |
| auction |
a public sale at which prospective buyers bid for goods and merchandise. [2 definitions] |
| auction bridge |
a version of bridge in which players bid for the right to specify which suit will be trump, any extra tricks won beyond the contract being scored toward a game. |
| auctioneer |
one who is in charge of the sale of goods at auctions. [2 definitions] |
| auctorial |
of or relating to an author. |
| aucuba |
an Asian evergreen shrub of the dogwood family that has variegated leaves and bears red berries. |
| audacious |
very bold or adventurous; daring. [2 definitions] |
| audacity |
courage or boldness, often accompanied by a degree of recklessness or arrogance; daring. [3 definitions] |
| audible |
heard or able to be heard. |
| audience |
a group of people gathered to hear and sometimes to see a performance, speech, or the like. [3 definitions] |
| audio |
of, concerning, or employing sound. [4 definitions] |
| audio- |
sound or hearing. |
| audio frequency |
the range of frequencies of normally audible sound, or the corresponding electronic frequencies; usu. from about fifteen or twenty to 20,000 cycles per second. [2 definitions] |
| audiogram |
a graph that shows the range and degree of hearing ability, or the production of such a graph. |
| audiology |
the science or study of hearing and disorders thereof. |
| audiometer |
an instrument that measures range and degree of hearing ability. |