| A | B |
|---|
| aquarium | . a glass-sided tank, bowl, or the like, in which fish or other living aquatic animals or plants are kept. |
| aquatic | of, in, living in, or pertaining to water |
| aquaplane | a board that skims over water when towed at high speed by a motorboat, used to carry a rider in aquatic sports |
| aqueduct | a conduit or artificial channel for conducting water from a distance, usually by means of gravity |
| aquifer | any geological formation containing or conducting ground water, esp. one that supplies the water for wells, springs, etc |
| aqueous | of, like, or containing water; watery |
| audiophile | A person having an ardent interest in stereo or high-fidelity sound reproduction |
| audience | listeners or viewers collectively, as in attendance at a theater or concert |
| audition | a trial hearing given to a singer, actor, or other performer to test suitability for employment, professional training or competition, etc. |
| auditory | pertaining to hearing, to the sense of hearing, or to the organs of hearing |
| audiometer | an instrument for gauging and recording acuity of hearing |
| audit | an official examination and verification of accounts and records, esp. of financial accounts |
| audiology | the study of hearing disorders, including evaluation of hearing function and rehabilitation of patients with hearing impairments |
| bellicose | inclined or eager to fight; aggressively hostile; belligerent; pugnacious |
| belligerent | of warlike character; aggressively hostile; bellicose |
| rebel | to resist or rise against some authority, control, or tradition |
| casus belli | an event or political occurrence that brings about a declaration of war |
| capture | to take by force or stratagem; take prisoner; seize |
| captive | prisoner |
| captor | a person who has captured a person or thing |
| captious | apt to notice and make much of trivial faults or defects; faultfinding; difficult to please; apt or designed to ensnare or perplex, esp. in argument |
| captivate | to attract and hold the attention or interest of, as by beauty or excellence; enchant |
| caption | a title or explanation for a picture or illustration, esp. in a magazine |
| excise | to cut out or off, as a tumor; or, to expunge, as a passage or sentence, from a text |
| incisors | tooth adapted for cutting or gnawing |
| incisive | penetrating; cutting; biting; trenchant; remarkably clear and direct; sharp; keen; acute |
| precise | definitely or strictly stated, defined, or fixed |
| concise | Expressing much in few words; clear and succinct |
| decision | the act of or need for making up one's mind |
