plural noun Ti·lop·te·ri·da·les \tə̇ˌläptərəˈdā(ˌ)lēz\

Definition of Tilopteridales

  1. :  an order of brown algae (class Isogeneratae) resembling those of the genus Ectocarpus but with the cells of the prostrate lower portion of the thallus arranged in transverse tiers

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Origin and Etymology of tilopteridales

New Latin, from Tilopterid-, Tilopteris, genus of algae (from Greek tilos something plucked—from tillein to pluck—+ pteris fern) + -ales — more at pteris

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a rounded knoll or a ridge of ice

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