English edit

Etymology edit

By analogy with terms such as appendices and indices.

Noun edit

prefices

  1. (nonstandard) plural of prefix
    • 1981, Reiner Luckenbach, Beilsteins Handbuch der organischen Chemie, English edition, page 1571:
      The names used in the index [] are different from the systematic nomenclature used in the text only insofar as Substitution and Degree-of-Unsaturation Prefices are placed after the name (inverted), and all configurational prefices and symbols [] are omitted.