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{%type%} Definitions

WordNet 3.0Copyright Princeton University
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Short "hint"

group of lines that are observed in the spectra of certain elements, as hydrogen, and that are caused by various couplings of the azimuthal quantum number and the angular momentum quantum number

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Usage examples (32)
  • For example, what is the Kolmogorov complexity of the fine-structure constant?
  • That turns into a more stringent bound on the dark fine-structure constant: about two orders of magnitude smaller, at Still, not so bad.
  • So this fine-structure constant is something that we can measure in the laboratory much, much more accurately, but we don't have the same time base.
  • A very good example of a coincidence that is too good to be true, and therefore a candidate for future physics principles, is the fine-structure constant.
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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.