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{%type%} Definitions

WordNet 3.0Copyright Princeton University
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n. - A membrane enclosing and protecting the developing spores especially that covering the sori of a fern.

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Usage examples (31)
  • Sporangia borne on an elevated, globular receptacle in a membranous, cup-shaped indusium which is open at the top.
  • Margin of the indusium denticulate and beset with minute, stalked glands.
  • Short, indusium usually more or less curved and frequently crossing a vein.
  • It has small, elliptical, denticulate pinnules and a glandular-pubescent indusium.
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We give special thanks to our LearnThat volunteers, as well as Princeton University and Wiktionary for their Open Source word data. We're also grateful for the support given by Google, Wordnik.com, Dictionary.com, Stands4.com and YouTube, OEDILF.com, Kylescholz.com, Best-Practice.com, Forvo.com, as well as the generous Creative Commons community.