audio-, aud-, audi-, audit- +

(Latin: hearing, listening, perception of sounds)

audiometry
1. The measurement of hearing, as by means of an audiometer.
2. Measuring the sensitivity of hearing.
3. Rapid measurement of the hearing of one person, or a group, against a predetermined limit of normality during which auditory responses to different frequencies presented at a constant intensity level are tested.
Audion
The name for Lee de Forest's first vacuum tube, a three-element tube (generally known as a triode today) that was a key factor in making practical radio broadcasts a reality in the 1920s.
audiophile
1. A devotee of high-fidelity reproduction of sound (chiefly U.S.).
2. A person having an ardent interest in stereo or high-fidelity sound reproduction.
audiophiliac
A reference to someone who has an ardent interest in stereo or high-fidelity sound reproductions.
audiospectography (s) (noun), audiospectographies (pl)
A technique for studying sounds by separating them into their component frequencies.
audiovisual (adjective) (not comparable)
Materials using sights and sounds to aid in presenting information: When Mr. Smith presented his lesson about biology, he utilized audiovisual materials which helped students to better understand the contents of the subject.
audiphone
1. An instrument consisting of a diaphragm or plate that is placed against the teeth and conveys sound vibrations to the inner ear enabling persons with certain types of deafness to hear more or less distinctly.
2. A device used by individuals with certain types of hearing impairment which consists of a diaphragm that picks up vibrations on a tooth, rather than the eardrum, and which transmits the signal to the inner ear.
audit
1. A formal examination, correction, and official endorsing of financial accounts; especially, those of a business, undertaken annually by an accountant.
2. A systematic check or assessment; especially, of the efficiency or effectiveness of an organization or a process, typically carried out by an independent assessor.
3. In computer programming: a process used to detect accidental input or processing errors as well as fraud, often using test data and special-purpose software.
4. Another aspect of computer programming in which a set of procedures are established to ensure the quality and integrity of a data base and to carry out such a process or procedure.
5. Etymology: from Latin auditus, "a hearing"; past participle of audire, "to hear".

It now stands for the official examination of business accounts, which were originally oral or spoken. The verb is from about 1557.

audit total
In computer programming, a known quantity or sum that is used to verify intermediate or final results of data processing, usually in an accounting or other financial application.
audition
1. A trial performance, as by an actor, dancer, or musician, to demonstrate suitability or skill.
2. The sense or power of hearing.
3. The act of hearing or the sensation and perception of sounds produced by stimulation of nerve receptors in the ear.
auditive
An older term describing the personality of someone who recalls most readily that which has been heard.
auditognosis
The sense by which sounds are understood (known) and interpreted.
auditopsychic
Describing or referring to the auditory association areas of the temporal cortex of the brain.
auditor
1. A qualified accountant who inspects the accounting records and practices of a business or other organization.
2. A university, or college, student registered for a course without getting credit and with no obligation to do any of the work assigned to the class.
3. Someone who listens attentively.
auditories
The processes, uses, or senses of hearing.

Related "hear, hearing; listen, listening" units: acous-; ausculto-.