OZONOSCOPE
Source: 567
O‐zo″no‐scope (?), n. [[Ozone + -scope.]] (Chem.) An apparatus employed to indicate the presence, or the amount, of ozone.
Source: 567
O‐zo″no‐scope (?), n. [[Ozone + -scope.]] (Chem.) An apparatus employed to indicate the presence, or the amount, of ozone.