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

The measurement of hearing; the assessment of the sensitivity of hearing: An audiometry was recommended by the otorhinolaryngologist when Jane went to have her ears cleaned and for a regular check-up.

The name for Lee de Forest's first vacuum tube invented in 1906: An Audion was 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.

An enthusiast having an ardent interest in stereo or sound reproduction: Jack's father was an audiophile who was not only interested in high-fidelity music, but also in its associated technology.

An audiophile also has a great desire to reproduce the sounds of live musical productions, and especially by being in a room with very good acoustics.

An individual who has an ardent interest in stereo or high-fidelity sound reproductions: Steve had a passion for high-fidelity sounds and its replication and spent almost all of his free time in this field. His family, friends, and colleagues termed him as being an audiophiliac!

A technique for studying sounds by separating them into their component frequencies: Part of Sam's university studies was in the field of audiospectolgraphy, which interested him quite a bit in regards to becoming an otorhinolaryngologist.

Referring to visible and audible information to aid in presenting a report or data: When Mr. Smith presented his lesson in his biology class, he utilized audiovisual materials which helped the students to understand the contents of the subject.

An device 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: An audiphone is a kind of hearing aid used by individuals with certain types of hearing impairment which transmits sounds to the auditory nerves in the inner ear by way of the bones in the head.

1. A formal examination, correction, and official endorsing of financial accounts: An audit normally takes place in businesses and is undertaken annually by an accountant.
2. A systematic check or assessment: The efficiency or effectiveness of an organization or a process is accomplished by an audit that is 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: Audits often use test data and special-purpose software.
4. In computer programming: a set of procedures which are established to ensure the quality and integrity of a data base: Audits also carry out the processes and procedures of ensuring the data base quality and integrity.
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.

1. To attend an academic class or seminar informally without receiving academic credit for it: Carol wanted to audit a German class and learn some of the language, but she was not interested in getting any recognition of her achievement.
2. To examine and correct an official financial report; inspect: Mr. Smart was asked to audit, or to inspect, the accounts of the treasurer.
3. To scrutinize and evaluate something thoroughly: Mr. Goodman was an auditor and was appointed to audit and verify the correctness of the accounts regarding the property of the firm.

In computer programming, a known quantity or sum that is used to verify intermediate or final results of data processing: In computer science, an audit total is usually used in an accounting or other financial applications.

1. A trial performance, as by an actor, dancer, or musician, to demonstrate suitability or skill: Mary played her violin in an audition in order to be accepted to the local orchestra.
2. The sense or power of hearing (no plural form): Dr. Good told Jim that his audition was poor and that he should wear hearing aids.

An audition is the act of hearing or the sensation and perception of sounds produced by stimulation of nerve receptors in the ear.

1. To try out as a performer for a chance to be heard: Jack wanted to audition for the position of concert master in the orchestra.
2. To evaluate a person in a performance: The teacher auditioned a few students who wanted to play the main character in the stage play at school.

Referring to hearing; auditory: In school, Mandy learned that the ear was also termed to be the auditive organ of an individual.

An individual who learns mainly by listening: An auditive is an older term for a person who recollects most readily that which has been heard.

The sense by which sounds are understood (known) and interpreted: By the way of auditognosis, Mary could comprehend and conceive the meanings of the German words she was learning in class.