biradical

/B AY1 R AE1 D AH0 K AH0 L/
noun
  1. 1

    (chemistry) any molecule having two independent radical centres

  2. 2

    A word or root in a Semitic language which consists of two consonants in its root formula.

adjective
  1. 1

    (said of words in Semitic languages) which consists of two consonants in its root formula.