| conversion hysteria neurosis | Hysteria characterised by the substitution, through psychic transformation, of physical signs or symptoms for anxiety; generally restricted to such major symptoms as blindness, deafness, and paralysis, or lesser ones such as blurred vision and numbness. Synonym: conversion hysteria neurosis, conversion neurosis, conversion reaction. (05 Mar 2000) |
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| conversion neurosis | Hysteria characterised by the substitution, through psychic transformation, of physical signs or symptoms for anxiety; generally restricted to such major symptoms as blindness, deafness, and paralysis, or lesser ones such as blurred vision and numbness. Synonym: conversion hysteria neurosis, conversion neurosis, conversion reaction. (05 Mar 2000) |
| conversion reaction | A conversion of emotional stress or mental disturbance into a physical symptom. Examples include paralysis, blindness, inability to speak or another sudden debilitating problem for no reason evident through testing. (27 Sep 1997) |
| conversive heat | Heat produced in a body by the absorption of waves that are not in themselves hot, such as the sun's rays or infrared radiation. (05 Mar 2000) |
| convertase | Proteases of complement that convert one component into another. See: component of complement. (05 Mar 2000) |
| convertin | Active form of factor VII designated VIIa. (05 Mar 2000) |
| convex | Applied to a surface that is evenly curved outward, the segment of a sphere. Origin: L. Convexus, vaulted, arched, convex, fr. Con-veho, to bring together (05 Mar 2000) |
| convex lens | A converging lens. Synonym: plus lens. (05 Mar 2000) |
| convex mirror | A spherical reflecting surface that constitutes a segment of the exterior of a sphere. (05 Mar 2000) |
| convexity | 1. The state of being convex. 2. A convex structure. (05 Mar 2000) |
| convexobasia | Forward bending of the occipital bone. Origin: L. Convexus, outwardly curved, + basis, foundation (05 Mar 2000) |
| convexoconcave | Convex on one surface and concave on the opposite surface. (05 Mar 2000) |
| convexoconcave lens | A minus power lens having one surface convex and the opposite surface concave, with the latter having the greater curvature. (05 Mar 2000) |
| convexoconvex | Convex on both sides; as, a biconvex lens. Source: Websters Dictionary (01 Mar 1998) |
| convexoconvex lens | A lens with both surfaces convex. Synonym: convexoconvex lens, double convex lens. (05 Mar 2000) |