| dirigation | Development of voluntary control over functions that are ordinarily involuntary. Origin: irreg., fr. L. Dirigo, to direct, control (05 Mar 2000) |
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| dirige | A service for the dead, in the Roman Catholic Church, being the first antiphon of Matins for the dead, of which Dirige is the first word; a dirge. "Evensongs and placebo and dirige." (Wyclif) "Resort, I pray you, unto my sepulture To sing my dirige with great devotion." (Lamentation of Mary Magdalene) Origin: L. See Dirge. Source: Websters Dictionary (01 Mar 1998) |
| dirigent | <geometry> The line of motion along which a describent line or surface is carried in the genesis of any plane or solid figure; a directrix. Source: Websters Dictionary (01 Mar 1998) |
| dirigomotor | Directing muscular movement. (05 Mar 2000) |
| diriment | Absolute. Diriment impediment, an impediment that nullifies marriage. Origin: L. Dirimens, p. Pr. Of dirimere. See Dirempt. Source: Websters Dictionary (01 Mar 1998) |
| dirofilaria | A genus of filarial nematodes. Various immature species have been found to infect the eyes or subcutaneous tissue in humans. (12 Dec 1998) |
| Dirofilaria conjunctivae | Name assigned to filarial worms removed from tumours and abscesses in various sites in human cases, especially palpebral conjunctivae and other eye tissues, but also subcutaneous tissues from other sites; probably caused by a number of species of animal origin. (05 Mar 2000) |
| dirofilaria immitis | A filarial parasite primarily of dogs but occurring also in foxes, wolves, and humans. The parasite is transmitted by mosquitoes. (12 Dec 1998) |
| dirofilariasis | Infection with nematodes of the genus dirofilaria, usually in animals, especially dogs, but occasionally in man. (12 Dec 1998) |
| dirt | 1. Any foul of filthy substance, as excrement, mud, dust, etc.; whatever, adhering to anything, renders it foul or unclean; earth; as, a wagonload of dirt. "Whose waters cast up mire and dirt." (Is. Lvii. 20) 2. Meanness; sordidness. "Honors . . . Thrown away upon dirt and infamy." (Melmoth) 3. In placer mining, earth, gravel, etc, before washing. <medicine> Dirt bed Same as Chthonophagia. Dirt pie, clay or mud molded by children in imitation of pastry. To eat dirt, to submit in a meanly humble manner to insults; to eat humble pie. Origin: OE. Drit; kin to Icel. Drit excrement, drita to dung, OD. Drijten to dung, AS. Gedritan. Source: Websters Dictionary (01 Mar 1998) |
| dirt-eating | Geophagismgeophagy The practice of eating dirt or clay. Synonym: dirt-eating, earth-eating. Origin: Geo-+ G. Phago, to eat (05 Mar 2000) |
| direct radiography |
The conversion of x-ray energy received from an imaged body part into digital format using semiconductors, without first collecting images on an image plate or as light.
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| direct reflex |
A reflex in which response occurs on the same side as the stimulus.
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| direct respiration |
Respiration in which an organism, such as a one-celled ameba, secures its oxygen and gives up carbon dioxide directly to the surrounding medium.
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| direct symptom |
A symptom resulting from direct effects of the disease.
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| direct-to-consumer advertising |
The marketing and sales of drugs, diagnostic or therapeutic services, and other medically related products or services by their owner or manufacturer to the general public by means of television, radio, the Interne
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| DIR | a report of the exact words used in a discourse (e.g., "he said `I am a fool'") |
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| DIR | a union of two disjoint sets in which every element is the sum of an element from each of the disjoint sets |
| DIR | a mission requiring one force to support another specific force and authorizing it to answer directly the supported force's request for assistance |
| DIR | fire delivered in support of part of a force (as opposed to general supporting fire delivered in support of the force as a whole) |
| DIR | a tax paid directly by the person or organization on whom it is levied |
| DIR | the occurrence of high tide on one side of the earth coinciding with high tide on the opposite side |
| DIR | a trust created by the free and deliberate act of the parties involved (usually on the basis of written documentation) |
| DIR | (United Kingdom) formerly a school that charged tuition fees and also received government grants in return for admitting certain non-paying students who were nominated by the local authorities |
| DIR | manageable by a supervising agent |
| DIR | having a specified direction |
| DIR | a verdict entered by the court in a jury trial without consideration by the jury |
| DIR | showing the way by conducting or leading |