| amaurotic nystagmus | The pendular or, rarely, jerky nystagmus seen in severely reduced vision. Synonym: amaurotic nystagmus. (05 Mar 2000) |
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| amaurotic pupil | Pupil in an eye that is blind because of ocular or optic nerve disease; this pupil will not contract to light except when the normal fellow eye is stimulated with light. (05 Mar 2000) |
| amaxophobia | <psychology> Rarely used term for morbid fear of, or of riding in, a vehicle. Synonym: hamaxophobia. Origin: G. Amaxa, hamaxa, a carriage, + phobos, fear (05 Mar 2000) |
| amazia | Absence of the breasts. Synonym: amazia. Origin: G. A-priv. + mastos, breast (05 Mar 2000) |
| amazon | 1. One of a fabulous race of female warriors in Scythia; hence, a female warrior. 2. A tall, strong, masculine woman; a virago. 3. <ornithology> A name numerous species of South American parrots of the genus Chrysotis. <zoology> Amazon ant, a species of ant (Polyergus rufescens), of Europe and America. They seize by conquest the larvae and nymphs other species and make slaves of them in their own nests. (11 Mar 1998) |
| amazon stone | <chemical> A variety of feldspar, having a verdigris-green colour. Origin: Named from the river Amazon. Source: Websters Dictionary (01 Mar 1998) |