| VO2 | Symbol for oxygen consumption. (05 Mar 2000) |
|---|---|
| VOC | See Volatile organic compounds. (05 Dec 1998) |
| vocabulary | The sum or the stock of words used by a language, a group, or an individual. (12 Dec 1998) |
| vocabulary, controlled | A means of access to information (including bibliographic records, factual data, images, collections, etc.) limited to a specified list of terms with a fixed and unalterable meaning, and from which a selection is made when cataloging, indexing, or searching books, journals, and other documents. The control is intended to avoid the scattering of related subjects under different headings. The list may be altered or extended only by the publisher or issuing agency. (12 Dec 1998) |
| vocabulist | The writer or maker of a vocabulary; a lexicographer. Origin: Cf. F. Vocabuliste. Source: Websters Dictionary (01 Mar 1998) |
| vocal | 1. A vocal sound; specifically, a purely vocal element of speech, unmodified except by resonance; a vowel or a diphthong; a tonic element; a tonic; distinguished from a subvocal, and a nonvocal. 2. A man who has a right to vote in certain elections. Origin: Cf. F. Vocal, LL. Vocalis. 1. Of or pertaining to the voice or speech; having voice; endowed with utterance; full of voice, or voices. "To hill or valley, fountain, or fresh shade, Made vocal by my song." (Milton) 2. Uttered or modulated by the voice; oral; as, vocal melody; vocal prayer. "Vocal worship." 3. Of or pertaining to a vowel or voice sound; also, poken with tone, intonation, and resonance; sonant; sonorous; said of certain articulate sounds. 4. Consisting of, or characterised by, voice, or tone produced in the larynx, which may be modified, either by resonance, as in the case of the vowels, or by obstructive action, as in certain consonants, such as v, l, etc, or by both, as in the nasals m, n, ng; sonant; intonated; voiced. See Voice, and Vowel, also Guide to Pronunciation, 199-202. Of or pertaining to a vowel; having the character of a vowel; vowel. Vocal cords or chords. <anatomy> The part of the air passages above the inferior ligaments of the larynx, including the passages through the nose and mouth. Origin: L. Vocalis, fr. Vox, vocis, voice: cf. F. Vocal. See Voice, and cf. Vowel. Source: Websters Dictionary (01 Mar 1998) |
| vocal amusia | The inability to sing, although speech is intact. (05 Mar 2000) |
| vocal cord nodules | Small, circumscribed, bilateral, beadlike enlargements on the vocal cords caused by overuse or abuse of the voice; often reversible by voice therapy. Synonym: singer's nodes, singer's nodules, teachers' nodes. (05 Mar 2000) |
| vocal cord paralysis | Paralysis of one or both of the vocal cords. (12 Dec 1998) |
| vocal cords | Two small bands of muscle within the larynx. They close to prevent food from getting into the lungs, and they vibrate to produce the voice. (12 Dec 1998) |
| vocal fold | One of Ferrein's cords; the sharp edge of a fold of mucous membrane overlying the vocal ligament and stretching along either wall of the larynx from the angle between the laminae of the thyroid cartilage to the vocal process of the arytenoid cartilage; the vocal folds are the agents concerned in voice production. Synonym: plica vocalis, chorda vocalis, labium vocale, true vocal cord, vocal cord, vocal shelf. (05 Mar 2000) |
| vocal fremitus | The vibration in the chest wall, felt on palpation, produced by the spoken voice. (05 Mar 2000) |
| vocal ligament | <anatomy> The band that extends on either side from the thyroid cartilage to the vocal process of the arytenoid cartilage; it is the thickened, free upper border of the conus elasticus of the larynx. Synonym: ligamentum vocale. (05 Mar 2000) |
| vocal muscle | <anatomy, muscle> Origin, depression between the two laminae of thyroid cartilage; insertion, portions of vocal process of arytenoid; action, shortens and relaxes vocal cords; nerve supply, recurrent laryngeal; a number of the deeper and finer fibres of the thyroaryteroid muscle attached directly to the outer side of the true vocal cord. Synonym: musculus vocalis, musculus thyroarytenoideus internus, vocal muscle. (05 Mar 2000) |
| vocal process | The lower end of the anterior margin of the arytenoid cartilage to which the vocal cord is attached. Synonym: processus vocalis cartilaginis arytenoidei, vocal process. (05 Mar 2000) |