| dew-point | <meteorology> The temperature at which dew begins to form. It varies with the humidity and temperature of the atmosphere. Source: Websters Dictionary (01 Mar 1998) |
|---|---|
| dew | 1. Moisture from the atmosphere condensed by cool bodies upon their surfaces, particularly at night. "Her tears fell with the dews at even." (Tennyson) 2. Figuratively, anything which falls lightly and in a refreshing manner. "The golden dew of sleep." 3. An emblem of morning, or fresh vigor. "The dew of his youth." Dew is used in combination; as, dew-bespangled, dew-drenched, dewdrop, etc. Origin: AS. Deaw; akin to D. Dauw, G. Thau, tau, Icel. Dogg, Sw. Dagg, Dan. Dug; cf. Skr. Dhav, dhav, to flow. Cf. Dag dew. Source: Websters Dictionary (01 Mar 1998) |
| dew itch | Cutaneous larva migrans caused by larvae of hookworms. Synonym: ancylostoma dermatitis, ancylostomiasis cutis, coolie itch, dew itch, ground itch, swamp itch, swimmer's itch, toe itch, water itch, water sore. (05 Mar 2000) |
| alizarin indicator | A solution consisting of 1 g sodium alizarin sulfonate dissolved in 100 cc distilled water; used as an indicator for free acidity in gastric contents. (05 Mar 2000) |
| management indicator species | A species whose habitat requirements most reflect those of the species community in the habitat of concern, usually used to indicate habitat quality and to predict future conditions. (09 Oct 1997) |
| redox indicator | A substance that undergoes a definite colour change at a specific oxidation potential. Synonym: redox indicator. (05 Mar 2000) |
| wetland indicator status | <ecology> The exclusiveness with which a plant species occurs in wetland, the different indicator categories (i.e., facultative species, and obligate wetland species) are defined elsewhere in this glossary. (09 Oct 1997) |
| health indicator | Variable, susceptible to direct measurement, that reflects the state of health of persons in a community. (05 Mar 2000) |
| indicator | An event, entity or condition that typically characterises a prescribed environment or situation, indicators determine or aid in determining whether or not certain stated circumstances exist or criteria are satisfied. (09 Oct 1997) |
| indicator-dilution curve | Graph of the serial concentrations (dilutions) of a dye, e.g., Evans blue, following its intravascular or intracardiac injection; useful in the diagnosis of congenital cardiac shunts, measurement of cardiac output, and detection of cardiovalvular incompetence. Synonym: indicator-dilution curve. (05 Mar 2000) |
| indicator dilution method | hamilton-Stewart method |
| indicator dilution techniques | Methods for assessing flow through a system by injection of a known quantity of an indicator, such as a dye, radionuclide, or chilled liquid, into the system and monitoring its concentration over time at a specific point in the system. (12 Dec 1998) |
| indicator organisms | Organisms that respond predictably to various environmental changes, and whose presence, or abundance, are used as indicators of environmental conditions. (09 Oct 1997) |
| indicator plant | Plant species indicating some specific characteristic of a certain locality. (09 Oct 1997) |
| indicator system | In in vitro immunological tests, a combination of reagents used to determine the degree to which immunological reagents have combined (e.g., sensitised erythrocytes in complement-fixation tests; enzyme and substrate in enzyme-linked immunosorbent assays). (05 Mar 2000) |