| redhorn | <entomology> Any species of a tribe of butterflies (Fugacia) including the common yellow species and the cabbage butterflies. The antennae are usually red. Source: Websters Dictionary (01 Mar 1998) |
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| redia | <zoology> A kind of larva, or nurse, which is produced within the sporocyst of certain trematodes by asexual generation. It in turn produces, in the same way, either another generation of rediae, or else cercariae within its own body. Called also proscolex, and nurse. Source: Websters Dictionary (01 Mar 1998) |
| redifferentiation | The return to a fully specialised condition for the performance of a particular function after a period of non-specific activity. (05 Mar 2000) |
| redintegration | 1. Restoration to a whole or sound state; renewal; renovation. 2. <chemistry> Restoration of a mixed body or matter to its former nature and state. 3. <psychology> The law that objects which have been previously combined as part of a single mental state tend to recall or suggest one another; adopted by many philosophers to explain the phenomena of the association of ideas. Origin: L. Redintegratio. Source: Websters Dictionary (01 Mar 1998) |
| redlegs | <zoology> The redshank. The turnstone. Source: Websters Dictionary (01 Mar 1998) |
| Redlich | Emil, Austrian neurologist, 1866-1930. See: Obersteiner-Redlich line, Obersteiner-Redlich zone. (05 Mar 2000) |
| redmouth | <zoology> Any one of several species of marine food fishes of the genus Diabasis, or, of the Southern United States, having the inside of the mouth bright red. Synonym: flannelmouth, and grunt. Source: Websters Dictionary (01 Mar 1998) |
| redox | Contraction of oxidation-reduction. See: oxidation-reduction potential. (05 Mar 2000) |
| redox electrode | An electrode capable of measuring oxidation-reduction potential. See: quinhydrone electrode. Synonym: redox electrode. (05 Mar 2000) |
| redox indicator | A substance that undergoes a definite colour change at a specific oxidation potential. Synonym: redox indicator. (05 Mar 2000) |
| redox potential | <chemistry> The reducing/oxidizing power of a system measured by the potential at a hydrogen electrode. (18 Nov 1997) |
| redox reaction | <chemistry> A reaction in which one or more electrons are transferred. (09 Jan 1998) |
| redox system | <enzyme> An enzyme system in the tissues by which oxidation and reduction proceed simultaneously through the transference of hydrogen or of one or more electrons from one metabolite to another. See: oxidation-reduction. Synonym: redox system. (05 Mar 2000) |
| redpole | <zoology> Same as Redpoll. Source: Websters Dictionary (01 Mar 1998) |
| redpoll | <zoology> Any one of several species of small northern finches of the genus Acanthis (formerly aegiothus), native of Europe and America. The adults have the crown red or rosy. The male of the most common species (A. Linarius) has also the breast and rump rosy. Synonym: redpoll linnet. The common European linnet. The American redpoll warbler (Dendroica palmarum). Source: Websters Dictionary (01 Mar 1998) |