| equatorial guinea | A republic in central africa, north of gabon and bounded on the west by the atlantic ocean. Its capital is malabo. Equatorial guinea was discovered by the portuguese in 1491 and ceded to spain in 1778. The country gained independence in 1968. Equatorial refers to its location near the equator in the broad region long known as guinea . (12 Dec 1998) |
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| equatorial plane | In metaphase of mitosis, the plane that touches all of the centromeres and their spindle attachments. (05 Mar 2000) |
| equatorial plate | <cell biology> Region of the mitotic spindle where chromosomes are aligned at metaphase: as its name suggests, it lies midway between the poles of the spindle. (06 Mar 1998) |
| equatorial staphyloma | A staphyloma occurring in the area of exit of the vortex veins. Synonym: scleral staphyloma. (05 Mar 2000) |
| equestrian | 1. Of or pertaining to horses or horsemen, or to horsemanship; as, equestrian feats, or games. 2. Being or riding on horseback; mounted; as, an equestrian statue. "An equestrian lady appeared upon the plains." (Spectator) 3. Belonging to, or composed of, the ancient Roman equities or knights; as, the equestrian order. Origin: L. Equester, from eques horseman, fr. Equus horse: cf. F. Equestre. See Equine. One who rides on horseback; a horseman; a rider. Source: Websters Dictionary (01 Mar 1998) |
| equestrianism | The art of riding on horseback; performance on horseback; horsemanship; as, feats equestrianism. Source: Websters Dictionary (01 Mar 1998) |
| equestrienne | A woman skilled in equestrianism; a horsewoman. Origin: Formed after analogy of the French language. Source: Websters Dictionary (01 Mar 1998) |
| equianalgesic | <pharmacology> Having equal pain-killing effect, morphine sulphate, 10 mg intramuscularly, is generally used for opioid analgesic comparisons. (16 Dec 1997) |
| equianalgesic dose | The qualitative ratio between actual milligram potency of comparable analgesics required to achieve the equivalent therapeutic effect. (05 Mar 2000) |
| equiangular | Having equal angles; as, an equiangular figure; a square is equiangular. Equiangular spiral. <mathematics> See Spiral, Mutually equiangular, applied to two figures, when every angle of the one has its equal among the angles of the other. Source: Websters Dictionary (01 Mar 1998) |
| equiaxial | Having axes of equal length. (05 Mar 2000) |
| equicaloric | Equal in heat value. See: isodynamic. Origin: L. Aequus, equal, + calor, heat (05 Mar 2000) |
| equicrescent | <mathematics> Increasing by equal increments; as, an equicrescent variable. Source: Websters Dictionary (01 Mar 1998) |
| equidae | A family of hoofed mammals consisting of horses, asses, donkeys, and zebras. Members of this family are strict herbivores and can be classified as either browsers or grazers depending on how they feed. (12 Dec 1998) |
| equilateral | <botany> Of stamens, with anthers regularly spaced around the style. (09 Oct 1997) |