zone-melthttp://www.oed.com/dictionary/zone-melt_v%3Ftab%3Dmeaning_and_usezone-melt, v.
First published 1986; not fully revised

zone-meltverb

  1. 1982–
    (transitive) .
    1. 1982
      Dielectrically isolated single crystals of large extent may be fabricated by zone melting a thin silicon sheet that is encapsulated between SiO2 layers.
      Materials Letters vol. I. 33/2

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

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