the subgroup consisting of all even permutations, of the group of all permutations of a finite set.
- Alternating hemiplegia
alternating hemiplegia alternating hemiplegia n. Hemiplegia caused by a lesion on the opposite side of the brainstem, accompanied by an additional paralysis of a motor cranial nerve on the same side as the lesion. Also called crossed hemiplegia, stauroplegia.
- Alternating light
a beacon showing different colors in succession. Historical Examples The alternating light of the candle flashed upon the body of the old woman, and he remembered all. Snarley-yow Frederick Marryat Pour into well-greased pan, alternating light and dark mixtures to give it the “marbled” appearance. Fifty-Two Sunday Dinners Elizabeth O. Hiller Thus constantly is alternating […]
- Alternating pulse
alternating pulse alternating pulse n. A pulse pattern that occurs at regular intervals but alternates between weak and strong beats; usually indicates myocardial disease. Also called pulsus alternans.
- Alternating series
a series, usually infinite, in which successive terms have opposite signs, as 1 − ½ + ¼ − ⅛ +. …. Historical Examples They use a piece of quartz or glass, making horizontal and vertical incisions in alternating series. Oriental Women Edward Bagby Pollard The area is thus an alternating series of three wooded slopes […]