ozonometer
O`zo*nom"e*ter, n. Etym: [Ozone + -meter.] Defn: An instrument for ascertaining the amount of ozone in the atmosphere, or in any gaseous mixture. Faraday.
O`zo*nom"e*ter, n. Etym: [Ozone + -meter.] Defn: An instrument for ascertaining the amount of ozone in the atmosphere, or in any gaseous mixture. Faraday.