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{%type%} Definitions

WordNet 3.0Copyright Princeton University
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Short "hint"

An array of the components of an emission or wave separated and arranged in the order of some varying characteristic (as wavelength, mass, or energy). (plural)

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Usage examples (40)
  • Noun, : the spectrum of political beliefs
  • The plans spectra& spectra plus offer global life insurance coverage and global payout.
  • But at distances of many light years the signals, from light wavelength patterns called spectra, are very faint and difficult to read.
  • The characteristic feature of their spectra is the strength and breadth of the hydrogen lines and the extreme faintness of the metallic lines.
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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.