Definition of alternating
: occurring by turns or in succession a fabric with alternating red and blue stripes … they lacked experience with volcanoes such as St. Helens, a composite of alternating layers of ash and lava. — Rowe Findley
alternatinglyadverb Alternatingly, place small mounds of the fennel and cabbage on each plate … — Owen Dugan
First Known Use of alternating
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