| edge | 1. To move sideways; to move gradually; as, edge along this way. 2. To sail close to the wind. "I must edge up on a point of wind." (Dryden) To edge away or off, to advance gradually, but not directly, toward it. 1. The thin cutting side of the blade of an instrument; as, the edge of an ax, knife, sword, or scythe. Hence, figuratively, that which cuts as an edge does, or wounds deeply, etc. "He which hath the sharp sword with two edges." (Rev. Ii. 12) "Slander, Whose edge is sharper than the sword." (Shak) 2. Any sharp terminating border; a margin; a brink; extreme verge; as, the edge of a table, a precipice. "Upon the edge of yonder coppice." (Shak) "In worst extremes, and on the perilous edge Of battle." (Milton) "Pursue even to the very edge of destruction." (Sir W. Scott) 3. Sharpness; readiness of fitness to cut; keenness; intenseness of desire. "The full edge of our indignation." (Sir W. Scott) "Death and persecution lose all the ill that they can have, if we do not set an edge upon them by our fears and by our vices." (Jer. Taylor) 4. The border or part adjacent to the line of division; the beginning or early part; as, in the edge of evening. "On the edge of winter. <medicine>" Edge joint A rail set on edge; applied to a rail of more depth than width. A guard rail by the side of the main rail at a switch. Edge railway, a railway having the rails set on edge. Edge stone, a curbstone. Edge tool. Any tool instrument having a sharp edge intended for cutting. A tool for forming or dressing an edge; an edging tool. To be on edge, to be eager, impatient, or anxious. To set the teeth on edge, to cause a disagreeable tingling sensation in the teeth, as by bringing acids into contact with them. Origin: OE. Eg, egge, AS. Ecg; akin to OHG. Ekka, G. Ecke, Icel. & Sw. Egg, Dan. Eg, and to L. Acies, Gr. Point, Skr. Ari edge. Cf. Egg, Eager, Ear spike of corn, Acute. Source: Websters Dictionary (01 Mar 1998) |
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| edge enhancement | Using analogue or digital image processing to increase the contrast of each interface; equivalent to using a high-pass filter. (05 Mar 2000) |
| edge plasma | <radiobiology> Cooler, less dense plasma away from the centre of a reactor, affected by limiter or divertor, includes scrape-off layer. Distinguished from core plasma. (09 Oct 1997) |
| edge-localised mode | Found often in H-mode plasmas, this is a temporary relaxation of the very high edge gradients found in H-modes. It may be a relaxation back to the L-mode. (09 Oct 1997) |
| edge-to-edge bite | An occlusion in which the anterior teeth of both jaws meet along their incisal edges when the teeth are in centric occlusion. Synonym: edge-to-edge bite, end-to-end bite, end-to-end occlusion. (05 Mar 2000) |
| edge-to-edge occlusion | An occlusion in which the anterior teeth of both jaws meet along their incisal edges when the teeth are in centric occlusion. Synonym: edge-to-edge bite, end-to-end bite, end-to-end occlusion. (05 Mar 2000) |
| edgewise appliance | A fixed, multibanded orthodontic appliance using an attachment bracket the slot of which receives a rectangular archwire horizontally, which gives precise control of tooth movement in all three planes of space. (05 Mar 2000) |
| edible | Fit to be eaten as food; eatable; esculent; as, edible fishes. Anything edible. Edible bird's nest. See Bird's nest. 2. <zoology> Edible crab, any snail used as food, especially. Helix pomatia and H. Aspersa of Europe. Origin: L. Edibilis, fr. Edere to eat. See Eat. Source: Websters Dictionary (01 Mar 1998) |
| edict | A public command or ordinance by the sovereign power; the proclamation of a law made by an absolute authority, as if by the very act of announcement; a decree; as, the edicts of the Roman emperors; the edicts of the French monarch. "It stands as an edict in destiny." (Shak) Edict of Nantes, an edict issued by Henry IV. (A. D. 1598), giving toleration to Protestants. Its revocation by Louis XIV. (A. D. 1685) was followed by terrible persecutions and the expatriation of thousands of French Protestants. Synonym: Decree, proclamation, law, ordinance, statute, rule, order, manifesti, command. See Law. Origin: L. Edictum, fr. Edicere, edictum, to declare, proclaim; e out + dicere to say: cf. F. Edit. See Diction. Source: Websters Dictionary (01 Mar 1998) |
| edictal | Relating to, or consisting of, edicts; as, the Roman edictal law. Source: Websters Dictionary (01 Mar 1998) |
| Edinger, Ludwig | <person> German anatomist, 1855-1918. See: Edinger-Westphal nucleus. (05 Mar 2000) |
| Edinger-Westphal nucleus | A small group of preganglionic parasympathetic motor neurons in the midline near the rostral pole of the oculomotor nucleus of the midbrain; the axons of these motor neurons leave the brain with the oculomotor nerve and synapse on the cells of the ciliary ganglion which in turn innervate the sphincter muscle of the pupil and ciliary muscle. Destruction of this nucleus or its efferent fibres causes maximal paralytic dilation of the pupil; also demonstrated to project fibres to lower levels of the brainstem and all spinal levels. (05 Mar 2000) |
| edingtonite | <chemical> A grayish white zeolitic mineral, in tetragonal crystals. It is a hydrous silicate of alumina and baryta. Source: Websters Dictionary (01 Mar 1998) |
| editorial | A statement of the opinions, beliefs, and policy of the editor or publisher of a journal, usually on current matters of medical or scientific significance to the medical community or society at large. The editorials published by editors of journals representing the official organ of a society or organization are generally substantive. (12 Dec 1998) |
| editress | A female editor. Source: Websters Dictionary (01 Mar 1998) |