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{%type%} Definitions

WordNet 3.0Copyright Princeton University
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adj. - Having threefold symmetry.

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Usage examples (9)
  • Both have identical major ion chemistry CaCO3 but different structures: calcite is trigonal whilst aragonite is orthorhombic.
  • -- Here there is rotation of one portion with respect to the other through 180° about the principal (trigonal) axis, which is perpendicular to the plane c (111); or the...
  • The horns are trigonal, laterally compressed and knotted on the upper edge.
  • Single site x-ray spectroscopic analysis indicates a trigonal coordination in both sites.
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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.