Undulate



GRE

解释

GRE 红宝书

• v.波动, 起伏
• ［英］ v.波动, 起伏 ( to form or move in waves;fluctuate)
• ［记］ undu ( 波浪) +ulate -> 波动, 起伏
• ［例］ a field of wheat undulating in the breeze

Webster Collegiate

I. adjective or undulated

• Etymology: Latin undulatus, from *undula, diminutive of unda wave — more at water
• Date: 1658
• having a wavy surface, edge, or markings <the undulate margin of a leaf>

II. verb (-lated; -lating)

• Etymology: Late Latin undula small wave, from Latin *undula
• Date: 1664
• intransitive verb
  • 1. to form or move in waves ; fluctuate
  • 2. to rise and fall in volume, pitch, or cadence
  • 3. to present a wavy appearance
• transitive verb
  • to cause to move in a wavy, sinuous, or flowing manner
• Synonyms: see swing

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