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Definition of "pollen grain" []

  • A microspore of seed plants, containing a male gametophyte. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "pollen grain" in a sentence
  • "There is a striking unity in some flowers between the shape of the pollen grain and that of the calix and corolla."
  • "The open chicory flower and the pollen grain are both polygonal and rayed from the centre."
  • "The pollen grain of chicory – an outer and inner hexagon united by rays – is a rose-window in a shrine of lapis lazuli."
Words like "pollen grain"