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frazil (ice) Definition

fra·zil (ice) (frāzil, frə zil)

noun

tiny, round or pointed ice crystals formed in supercooled waters and prevented from coagulating by turbulence

Etymology: CdnFr frasil < Fr fraisil, charcoal cinders, altered (prob. after fraiser, to ruffle) < OFr faisil < VL *facīlis < L fax (gen. facis), a torch < IE base *ĝhwok-, to gleam, glow