zone-mindhttp://www.oed.com/dictionary/zone-mind_n%3Ftab%3Dmeaning_and_usezone-mind, n.
First published 1986; not fully revised

zone-mindnoun

  1. 1932–
    1. 1932
      When gong-like struck The violent crisis of zone-minds That chilled us with clouds turned winds.
      E. Blunden, Halfway House 55

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

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