アトモメーターMeanings1nounatmometerrare termA scientific instrument for measuring the rate of evaporation. Rare term; the Japanese synonym 蒸発計 (じょうはつけい) is more common.See also: 蒸発計アトモメーターは蒸じょう発はつ量りょうを測はかる装そう置ちです。An atmometer is a device that measures the amount of evaporation.