bis-

前缀

英文释义

前缀
  1. An occasional variant of bi- prefixed to roots beginning with a vowel, as in bisalternate morpheme
  2. A variant of di- used to indicate that the component that does not take the prefix occurs twice in the compound: a bisoxide is of the form B₂O (cf. dioxide for XO₂) morpheme,obsolete
  3. A variant of di-, used for substitutions of two complex rather than simple units. morpheme
    — Bis (η⁶-arene) metal complexes have been made for many transition metals by the Al/AlCl₃ reduction method.
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