Word.ws English Dictionary

exosporium

exosporium noun: the outer layer of a pollen grain or spore; the exine.

Noun

exosporium (plural exosporia)

  1. The outer layer of a pollen grain or spore; the exine.
    Synonyms:
    exine, exospore

Synonyms of exosporium

Forms of exosporium

pluralexosporia

Origin of exosporium

From exo- + spore + -ium.

Questions about exosporium

What does exosporium mean?
Exosporium means the outer layer of a pollen grain or spore; the exine.
What part of speech is exosporium?
Exosporium is a noun.
What is the plural of exosporium?
The plural of exosporium is exosporia.

Words near exosporium in the dictionary

  1. exospore
  2. exospores
  3. exosporia
  4. exosporial
  5. exosporic
  6. exosporium
  7. exosporous
  8. exosporulation
  9. exospory
  10. exossation
  11. exosseous

Source and license

Adapted from Wiktionary: exosporium (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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