English

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Etymology

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ozone +‎ -o- +‎ -meter

Pronunciation

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  • IPA(key): /əʊˈzɒnəˌmiːtə(ɹ)/

Noun

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ozonometer (plural ozonometers)

  1. An instrument for measuring how much ozone is present in a mixture of gases.
    • 1853, Michael Faraday, The subject matter of a course of six lectures [] :
      The ozonometer of Schönbein described
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References

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ozonometer”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.