| index ametropia | That resulting from alteration in the refractive index of the lens of the eye. (05 Mar 2000) |
|---|---|
| index case | A person who first draws attention to their family. For example, if my eye doctor discovers i have glaucoma and subsequently other cases of glaucoma are found in my family, i am the index case. Also called the propositus (if male) or proposita (if female). (12 Dec 1998) |
| index extensor muscle | extensor indicis muscle |
| index finger | The second finger (the thumb being counted as the first). Synonym: digitus secundus, forefinger, index, second finger. (05 Mar 2000) |
| index fossils | Fossils (or groups of fossils) which are used by geologists and paleontologists to help correlate different events or processes in different parts of the world which happened at the same time. Species which make good index fossils are able to tolerate a wide range of ecological conditions, are geographically widespread, common, easy to find, and evolutionarily short-lived (that is, they speciated and then quickly became extinct). In general, they are also planktonic and very small. (09 Oct 1997) |
| index hypermetropia | Hypermetropia arising from decreased refractivity of the lens. Origin: hyper-+ G. Metron, measure, + ops, eye (05 Mar 2000) |
| index myopia | Myopia arising from increased refractivity of the lens, as in nuclear sclerosis. (05 Mar 2000) |
| index of refraction | <physics> For a given wavelength, this is the ratio of the velocity of light in vacuum (c) to the velocity of light in a refractive material (for example, glass, plasma, etc.). (09 Oct 1997) |
| indexical signs | Sign's that acquire their function through a causal connection with what they signify; e.g., smoke as a sign of fire. (05 Mar 2000) |
| india | A country in Southern Asia; the two peninsulas of Hither and Farther India; in a restricted sense, Hither India, or Hindostan. India ink, a nearly black pigment brought chiefly from China, used for water colours. It is in rolls, or in square, and consists of lampblack or ivory black and animal glue. Called also China ink. The true India ink is sepia. See Sepia. India matting, floor matting made in China, India, etc, from grass and reeds; also called Canton, or China, matting. India paper, a variety of Chinese paper, of smooth but not glossy surface, used for printing from engravings, woodcuts, etc. India proof, a proof impression from an engraved plate, taken on India paper. India rubber. See Caoutchouc. <botany> India-rubber tree, any tree yielding caoutchouc, but especially the East Indian Ficus elastica, often cultivated for its large, shining, elliptical leaves. See: Indian. Source: Websters Dictionary (01 Mar 1998) |
| India ink capsule stain | <technique> A negative stain for crystal bacteria in which cells appear purple (Gram's crystal violet) and the capsules appear clear against a dark background. (05 Mar 2000) |
| indian | 1. Of or pertaining to India proper; also to the East Indies, or, sometimes, to the West Indies. 2. Of or pertaining to the aborigines, or Indians, of America; as, Indian wars; the Indian tomahawk. 3. Made of maize or Indian corn; as, Indian corn, Indian meal, Indian bread, and the like. <botany> Indian bay, an American plant of the genus Arisaema. A. Triphyllum has a wrinkled farinaceous root resembling a small turnip, but with a very acrid juice. See Jack in the Pulpit, and Wake-robin. Indian wheat, maize or Indian corn. Indian yellow. An intense rich yellow colour, deeper than gamboge but less pure than cadmium. See Euxanthin. Origin: From India, and this fr. Indus, the name of a river in Asia, L. Indus, Gr, OPers. Hindu, name of the land on the Indus, Skr. Sindhu river, the Indus. Cf. Hindoo. Source: Websters Dictionary (01 Mar 1998) |
| Indian flap | Flap from a contiguous area, such as cheek or forehead, used to rebuild the nose. (05 Mar 2000) |
| Indian ginger | An aromatic stimulant and diaphoretic. Synonym: Canada snakeroot, Indian ginger, wild ginger. (05 Mar 2000) |
| Indian gum | An exudation from Anogeisus latifolia (family Combrettaceae); the mucilage is used as a substitute for acacia mucilage. Synonym: ghatti gum. (05 Mar 2000) |