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{%type%} Definitions

WordNet 3.0Copyright Princeton University
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Short "hint"

Having many cycles or rounds.

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Usage examples (35)
  • You mention there the possibilities for discussion of several theoretically interesting questions concerning the forces of attraction in polycyclic systems.
  • The pollution we're talking about here is something known as polycyclic aromatic hydrocarbons.
  • The red color in the Spitzer image represents organic molecules known as polycyclic aromatic hydrocarbons.
  • In the background, small organic molecules called polycyclic aromatic hydrocarbons are shown as tints of green.
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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.