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perennial adjective

  /pəˈɹɛn.i.əl/ , /pəˈɹɛn.j(ə)l/ , /pəˈɹɛn.ɪ.əl/
  • Lasting or remaining active throughout the year, for multiple years, or all the time.
 αέναος
  • Continuing without cessation or intermission for several years, or for an undetermined or infinite period; neverending or never failing; perpetual, unceasing.
 αέναος, αιώνιος, διηνεκής
  • (botany) Of a plant: active throughout the year, or having a life cycle of more than two growing seasons.
 πολυετής

perennial noun

  /pəˈɹɛn.i.əl/ , /pəˈɹɛn.j(ə)l/ , /pəˈɹɛn.ɪ.əl/
  • (botany) A plant that is active throughout the year, or has a life cycle of more than two growing seasons.
 πολυετές

perenniality

πολυετία
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