• A group or series of six.
  • The sum of six units; the number six; also, a series of six numbers.
  • In <em>chem.</em>, an element the atoms of which have six times the saturating power or equivalence of the hydrogen atom, as sulphur in certain conditions.
  • Also spelled <internalXref urlencoded="hexade">hexade</internalXref>.
  • A hexagon.
  • Having a combining power equivalent to six times that of hydrogen. Same as <internalXref urlencoded="hexavalent">hexavalent</internalXref> and <em>sexivalent.</em>
  • An atom whose valence is six, and which can be theoretically combined with, substituted for, or replaced by, <ex>six</ex> monad atoms or radicals. Also used as an adjective.
  • A group of <xref>six</xref>.
  • the cardinal number that is the sum of five and one
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