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 light and gloom in a way that nearly drives me mad.
the shirley letters from california mines in 1851-52 louise amelia knapp smith clappe
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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 gl-ss, making horizontal and vertical incisions in alternating series. oriental women edward bagby pollard the area is thus an alternating series of three wooded slopes […]
- Alternating tremor
alternating tremor alternating tremor n. hyperkinesia characterized by regular, symmetrical, to-and-fro movements produced by patterned, alternating contraction of muscles and their antagonists.
- Alternating voltage
a voltage that reverses direction in regular cycles. historical examples i want to wait until you have seen what the crystal does when an alternating voltage is applied to it. letters of a radio-engineer to his son john mills
- Alternating-gradient focusing
noun (physics) a method of focusing beams of charged particles in high-energy accelerators, in which a series of magnetic or electrostatic lenses alternately converge and diverge the beam, producing a net focusing effect and thus preventing the beam from spreading