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{%type%} Definitions

WordNet 3.0Copyright Princeton University
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Short "hint"

n. - The network in the reticular formation that serves an alerting or arousal function.

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Usage examples (37)
  • One, called RAS, has been implicated in 30% of cancers.
  •   For example, a set of cancer-promoting oncogenes called RAS was down-regulated in these men.
  • S. RAS.US.EN: Well, you know, it was news to them.
  • S. RAS.H: I feel a little bit better on the treadmill.
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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.