| docetaxel | <drug> This taxoid is found in the English yew, Taxus baccata. It inhibits microtubule disassembly and is being investigated as a chemotherapy agent. (09 Oct 1997) |
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| docimacy | The art or practice of applying tests to ascertain the nature, quality, etc, of objects, as of metals or ores, of medicines, or of facts pertaining to physiology. Origin: Gr. An assay, examination, fr. To examine (Metals), fr. Assayed, tested, fr. To take, approve: cf. F. Docimasie. Source: Websters Dictionary (01 Mar 1998) |
| docimology | <study> A treatise on the art of testing, as in assaying metals, etc. Origin: Gr. A test. Source: Websters Dictionary (01 Mar 1998) |
| dock | 1. <botany> A genus of plants (Rumex), some species of which are well-known weeds which have a long taproot and are difficult of extermination. 2. Yellow dock is Rumex crispus, with smooth curly leaves and yellow root, which that of other species is used medicinally as an astringent and tonic. Origin: AS. Docce; of uncertain origin; cf. G. Docken-blatter, Gael. Dogha burdock, OF. Doque; perh. Akin to L. Daucus, daucum, Gr, a kind of parsnip or carrot, used in medicine. Cf. Burdock. 3. The solid part of an animal's tail, as distinguished from the hair; the stump of a tail; the part of a tail left after clipping or cutting. 4. A case of leather to cover the clipped or cut tail of a horse. Origin: Cf. Icel. Dockr a short tail, Fries. Dok a little bundle or bunch, G. Docke bundle, skein, a short and thick column. 5. To cut off, as the end of a thing; to curtail; to cut short; to clip; as, to dock the tail of a horse. "His top was docked like a priest biforn." (Chaucer) 6. To cut off a part from; to shorten; to deduct from; to subject to a deduction; as, to dock one's wages. 7. To cut off, bar, or destroy; as, to dock an entail. Origin: See Dock a tail. Cf. W. Tociaw, and twciaw, to dock, clip. 8. An artificial basin or an inclosure in connection with a harbor or river, used for the reception of vessels, and provided with gates for keeping in or shutting out the tide. 9. The slip or water way extending between two piers or projecting wharves, for the reception of ships; sometimes including the piers themselves; as, to be down on the dock. 10. To draw, law, or place (a ship) in a dock, for repairing, cleaning the bottom, etc. 11. The place in court where a criminal or accused person stands. Balance dock, a kind of floating dock which is kept level by pumping water out of, or letting it into, the compartments of side chambers. Dry dock, a dock from which the water may be shut or pumped out, especially, one in the form of a chamber having walls and floor, often of masonry and communicating with deep water, but having appliances for excluding it; used in constructing or repairing ships. The name includes structures used for the examination, repairing, or building of vessels, as graving docks, floating docks, hydraulic docks, etc. Floating dock, a dock which is made to become buoyant, and, by floating, to lift a vessel out of water. Graving dock, a dock for holding a ship for graving or cleaning the bottom, etc. Hydraulic dock, a dock in which a vessel is raised clear of the water by hydraulic presses. Naval dock, a dock connected with which are naval stores, materials, and all conveniences for the construction and repair of ships. Sectional dock, a form of floating dock made in separate sections or caissons. Slip dock, a dock having a sloping floor that extends from deep water to above high-water mark, and upon which is a railway on which runs a cradle carrying the ship. Wet dock, a dock where the water is shut in, and kept at a given level, to facilitate the loading and unloading of ships; also sometimes used as a place of safety; a basin. Origin: Akin to D. Dok; of uncertain origin; cf. LL. Doga ditch, L. Doga ditch, L. Doga sort of vessel, Gr. Receptacle, fr. To receive. Source: Websters Dictionary (01 Mar 1998) |
| dock-cress | <botany> Nipplewort. Source: Websters Dictionary (01 Mar 1998) |
| docking protein | Receptor for the signal recognition particle (SRP) found in the membrane of the endoplasmic reticulum. Also called docking protein. Heterodimeric, both protomers having GTP binding capacity, though dissimilar binding sites. Not until the complex of SRP, ribosome, message and nascent polypeptide chain binds to the SRP receptor is the block to further chain elongation released and concurrently the SRP is released, leaving the ribosome attached to the endoplasmic reticulum membrane. Cotranslational transport of the polypeptide delivers it into the lumen of the ER. (18 Nov 1997) |
| docoglossa | <zoology> An order of gastropods, including the true limpets, and having the teeth on the odontophore or lingual ribbon. Origin: NL, fr. Gr. A beam + the tongue. Source: Websters Dictionary (01 Mar 1998) |
| 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) |