azides

/AE1 Z AY0 D Z/
noun
  1. 1

    The univalent N3 radical or functional group or any ester containing this group

  2. 2

    The N3- anion or any salt containing this anion (^-N=\overset{+}N=N^-)

Source: https://en.wiktionary.org/wiki/azide, https://en.wiktionary.org/wiki/azides