zinc-plasterhttp://www.oed.com/dictionary/zinc-plaster_n%3Ftab%3Dmeaning_and_usezinc plaster, n.
First published 1921; not fully revised

zinc plasternoun

  1. 1899–
    1. 1899
      A simple zinc plaster will be as much as the skin will tolerate.
      T. C. Allbutt et al., System of Medicine vol. VIII. 579

Originally published as part of the entry for zinc, n.

zinc, n. was first published in 1921; not fully revised.