Definition of antozone in US English:

antozone

noun

Chemistry
historical
  • A gaseous substance thought by Schönbein to be a negative counterpart of ozone, but subsequently shown to be hydrogen peroxide, H₂O₂.

Origin

Mid 19th century. From anti- + ozone, after German Antozon.

Pronunciation

antozone

/anˈtəʊzəʊn/