| districhiasis | Growth of two hairs in a single follicle. Origin: G. Dis, double, + thrix (trich-), hair (05 Mar 2000) |
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| district | 1. The territory within which the lord has the power of coercing and punishing. 2. A division of territory; a defined portion of a state, town, or city, etc, made for administrative, electoral, or other purposes; as, a congressional district, judicial district, land district, school district, etc. "To exercise exclusive legislation . . . Over such district not exceeding ten miles square." (The Constitution of the United States) 3. Any portion of territory of undefined extent; a region; a country; a tract. "These districts which between the tropics lie." (Blackstone) Congressional district. See Congressional. District attorney, the prosecuting officer of a district or district court. District court, a subordinate municipal, state, or United States tribunal, having jurisdiction in certain cases within a judicial district. District judge, one who presides over a district court. District school, a public school for the children within a school district. Synonym: Division, circuit, quarter, province, tract, region, country. Origin: LL. Districtus district, fr. L. Districtus, p. P. Of distringere: cf. F. District. See Distrain. Source: Websters Dictionary (01 Mar 1998) |
| district heating or cooling | A system that involves the central production of hot water, steam, or chilled water and the distribution of these transfer media to heat or cool buildings. (05 Dec 1998) |
| district of columbia | A federal area located between maryland and virginia on the potomac river; it is coextensive with washington, d.c., which is the capital of the united states. (12 Dec 1998) |
| distrix | Splitting of the hairs at their ends. Origin: G. Dis, twice, + thrix, hair (05 Mar 2000) |
| disturbance | Deviation from, interruption of, or interference with a normal state. (05 Mar 2000) |
| disturbed area | <ecology> An area where vegetation, soil and/or hydrology have been significantly altered, thereby making a wetland determination difficult. (11 Jan 1998) |
| disturbed condition | <ecology> Refers to areas in which indicators of one or more characteristics (vegetation, soil and/or hydrology) have been sufficiently altered by man's activities or natural events so as to make it more difficult to recognise whether or not the wetland identification criteria are met. (11 Jan 1998) |