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n. - A medical instrument for dilating a bodily passage or cavity in order to examine the interior; A mirror (especially one made of polished metal) for use in an optical instrument.

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Usage examples (28)
  • They have an iridescent green speculum, which is separated from a bluish shoulder patch by a white stripe.
  • The etymology seems straightforward - from the Latin speculum, meaning "mirror."
  • However, every time I hear the word "speculum," a sense of icy terror flashes through my mind.
  • The speculum is a dull brown or bronze.
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The Open Dictionary of English is a collaborative project, based on Open Source materials, LearnThat resources, and partner APIs.
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.