| ASF | African swine fever; aniline-sulfur-formaldehyde [resin] |
|---|---|
| EAC | Ehrlich ascites carcinoma; electroacupuncture; epithelioma adenoides cysticum; erythema annulare cen... |
| EAT | Eating Attitudes Test; Ehrlich ascites tumor; electro-aerosol therapy; epidermolysis acuta toxica; e... |
| EATC | Ehrlich ascites tumor cell |
| EU | Ehrlich unit; elementary unit; emergency unit; endotoxin unit; entropy unit; enzyme unit; esterase u... |
| violet | 1. <botany> Any plant or flower of the genus Viola, of many species. The violets are generally low, herbaceous plants, and the flowers of many of the species are blue, while others are white or yellow, or of several colours, as the pansy (Viola tricolour). The cultivated sweet violet is Viola odorata of Europe. The common blue violet of the eastern United States is V. Cucullata; the sand, or bird-foot, violet is V. Pedata. 2. The colour of a violet, or that part of the spectrum farthest from red. It is the most refrangible part of the spectrum. 3. In art, a colour produced by a combination of red and blue in equal proportions; a bluish purple colour. 4. <zoology> Any one of numerous species of small violet-coloured butterflies belonging to Lycaena, or Rusticus, and allied genera. Corn violet. See Corn. Dame's violet. <botany> An aquatic European herb (Hottonia palustris) with pale purplish flowers and pinnatifid leaves. Origin: F. Violette a violet (cf. Violet violet-coloured), dim. Of OF. Viole a violet, L. Viola; akin to Gr. Cf. Iodine. Dark blue, inclining to red; bluish purple; having a colour produced by red and blue combined. <zoology> Violet shell, any species of Ianthina; called also violet snail. See Lanthina. Violet wood, a name given to several kinds of hard purplish or reddish woods, as king wood, myall wood, and the wood of the Andira violacea, a tree of Guiana. Origin: Cf. F. Violet. See Violet. Source: Websters Dictionary (01 Mar 1998) |
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| violet-tip | <zoology> A very handsome American butterfly (Polygonia interrogationis). Its wings are mottled with various shades of red and brown and have violet tips. Source: Websters Dictionary (01 Mar 1998) |
| visual violet | A visual pigment, composed of 11-cis-retinal bound to an opsin, found in the cones of the retina. Synonym: visual violet. Origin: G. Ion, violet, + ops, eye, + -in (05 Mar 2000) |
| methyl violet | Mixtures of tetra-, penta-, or pararosanilin which vary in shade of violet depending on the extent of methylation (designated R for reddish shades, B for bluish shades); the hexamethyl compound is known as crystal violet, the pentamenthyl compound as methyl violet 6B. As stains, methyl violet has many bacteriological, histological, and cytological applications. (05 Mar 2000) |
| water violet | <botany> See Violet. Source: Websters Dictionary (01 Mar 1998) |
| cresyl violet acetate | A metachromatic basic oxazin dye, C18H15N3O3, used as a stain for nuclei and Nissl substance; related to German derived dye known as cresyl echt violet or cresyl fast violet. (05 Mar 2000) |
| Lauth's violet | <chemistry> An artificial red or violet dyestuff consisting of a complex sulphur derivative of certain aromatic diamines, and obtained as a dark crystalline powder. Synonym: phenylene violet. Origin: Gr. Brimstone, sulphur. Source: Websters Dictionary (01 Mar 1998) |
| chiral crystal | An enantiomorphic, dyssymmetric, optically active crystal. (05 Mar 2000) |
| phase, crystal | <microscopy> A specific crystal structure, usually given a name. (05 Aug 1998) |
| clathrate crystal | Lattice-like arrangement of molecules of one substance surrounding molecules of another substance. (05 Mar 2000) |
| crystal | A solid of regular shape and, for a given compound, characteristic angles, formed when an element or compound solidifies slowly enough, as a result either of freezing from the liquid form or of precipitating out of solution, to allow the individual molecules to take up regular positions with respect to one another. Origin: G. Krystallos, clear ice, crystal (05 Mar 2000) |
| crystal, birefringent | <microscopy> A crystalline substance which is anisotropic with respect to the velocity of light. (05 Aug 1998) |
| crystal rash | A noninflammatory form of miliaria in which the vesicles are filled with clear fluid. Synonym: crystal rash, sudamina. (05 Mar 2000) |
| crystal structure | <chemistry> The configuration in which atoms are arranged in a material. These arrangements have a direct effect on the physical properties of the material. These arrangements commonly take the form of cubes, rectangular solids, hexagonal solids. Etc. (05 Aug 1998) |
| hydrate crystal | One of several possible microstructural arrangements of water molecules based on intermolecular forces; suggested as being involved in the mode of action of inhalation anaesthetics. (05 Mar 2000) |