| docosahexaenoic acids | C22-unsaturated fatty acids found predominantly in fish oils. (12 Dec 1998) |
|---|---|
| doctor | 1. A teacher; one skilled in a profession, or branch of knowledge learned man. "One of the doctors of Italy, Nicholas Macciavel." (Bacon) 2. An academical title, originally meaning a men so well versed in his department as to be qualified to teach it. Hence: One who has taken the highest degree conferred by a university or college, or has received a diploma of the highest degree; as, a doctor of divinity, of law, of medicine, of music, or of philosophy. Such diplomas may confer an honorary title only. 3. One duly licensed to practice medicine; a member of the medical profession; a physician. "By medicine life may be prolonged, yet death Will seize the doctor too." (Shak) 4. Any mechanical contrivance intended to remedy a difficulty or serve some purpose in an exigency; as, the doctor of a calico-printing machine, which is a knife to remove superfluous colouring matter; the doctor, or auxiliary engine, called also donkey engine. 5. <zoology> The friar skate. Doctors' Commons. See Commons. Doctor's stuff, physic, medicine. <zoology> Doctor fish, any fish of the genus Acanthurus; the surgeon fish; so called from a sharp lancetlike spine on each side of the tail. Also called barber fish. See Surgeon fish. Origin: OF. Doctur, L. Doctor, teacher, fr. Docere to teach. See Docile. 6. To treat as a physician does; to apply remedies to; to repair; as, to doctor a sick man or a broken cart. 7. To confer a doctorate upon; to make a doctor. 8. To tamper with and arrange for one's own purposes; to falsify; to adulterate; as, to doctor election returns; to doctor whisky. Origin: Doctored; Doctoring. Source: Websters Dictionary (01 Mar 1998) |
| doctoress | A female doctor. Source: Websters Dictionary (01 Mar 1998) |
| doctress | A female doctor. Source: Websters Dictionary (01 Mar 1998) |
| doctrine | 1. Teaching; instruction. "He taught them many things by parables, and said unto them in his doctrine, Hearken." (Mark iv. 2) 2. That which is taught; what is held, put forth as true, and supported by a teacher, a school, or a sect; a principle or position, or the body of principles, in any branch of knowledge; any tenet or dogma; a principle of faith; as, the doctrine of atoms; the doctrine of chances. "The doctrine of gravitation." "Articles of faith and doctrine." (Hooker) The Monroe doctrine, a policy enunciated by President Monroe (Message, Dec. 2, 1823), the essential feature of which is that the United States will regard as an unfriendly act any attempt on the part of European powers to extend their systems on this continent, or any interference to oppress, or in any manner control the destiny of, governments whose independence had been acknowledged by the United States. Synonym: Precept, tenet, principle, maxim, dogma. Doctrine, Precept. Doctrine denotes whatever is recommended as a speculative truth to the belief of others. Precept is a rule down to be obeyed. Doctrine supposes a teacher; precept supposes a superior, with a right to command. The doctrines of the Bible; the precepts of our holy religion. "Unpracticed he to fawn or seek for power By doctrines fashioned to the varying hour." (Goldsmith) Origin: F. Doctrine, L. Doctrina, fr. Doctor. See Doctor. Source: Websters Dictionary (01 Mar 1998) |
| document | An original or official paper relied upon as the basis, proof or support of something, such as a book, report or letter that conveys information. Origin: L. Docere = to teach (18 Nov 1997) |
| documentaries and factual films | Films, videos, and programs which depict actual persons or actual events. They do not include frank historical re-creations and do not attempt to judge the truth of the depiction in a film purporting to be factual or documentary in character. (moving image materials: genre terms, 1988) (12 Dec 1998) |
| docusate calcium | Calcium salt of bis(2-ethylhexyl)sulfosuccinate;a surface-active agent used in the treatment of constipation as a nonlaxative faecal softener. Synonym: dioctyl calcium sulfosuccinate. (05 Mar 2000) |
| docusate sodium | Bis-2-ethylhexyl sodium sulfosuccinate;a surface-active agent used as a dispersing agent in topically applied preparations. After oral administration it lowers the surface tension of the gastrointestinal tract and is used in the treatment of constipation. Synonym: dioctyl sodium sulfosuccinate. (05 Mar 2000) |
| dodder | <botany> A plant of the genus Cuscuta. It is a leafless parasitical vine with yellowish threadlike stems. It attaches itself to some other plant, as to flax, goldenrod, etc, and decaying at the root. Is nourished by the plant that supports it. To shake, tremble, or totter. "The doddering mast." Origin: Cf. Dan. Dodder, Sw. Dodra, G. Dotter. Source: Websters Dictionary (01 Mar 1998) |
| dodecagon | <geometry> A figure or polygon bounded by twelve sides and containing twelve angles. Origin: Gr. Twelve + angle: cf. F. Dodecagone. Source: Websters Dictionary (01 Mar 1998) |
| dodecagynia | <botany> A Linnaean order of plants having twelve styles. Origin: NL, fr. Gr. Twelve + woman, female. Source: Websters Dictionary (01 Mar 1998) |
| dodecagynous | <botany> Of or pertaining to the Dodecagynia; having twelve styles. Source: Websters Dictionary (01 Mar 1998) |
| dodecahedron | <geometry> A solid having twelve faces. The regular dodecahedron is bounded by twelve equal and regular pentagons; the pyritohedron (see Pyritohedron) is related to it; the rhombic dodecahedron is bounded by twelve equal rhombic faces. Origin: Gr.; twelve + seat, bottom, base: cf. F. Dodecaedre. Source: Websters Dictionary (01 Mar 1998) |
| dodecandria | <botany> A Linnaean class of plants including all that have any number of stamens between twelve and nineteen. Origin: NL, fr. Gr. Twelve +, man, male. Source: Websters Dictionary (01 Mar 1998) |