reflux condenser
(colloquial) The condition of having unkempt hair, generally as a result of having just woken up from sleep.
plural of Owston
(chemistry) A water-cooled, double walled piece of laboratory glassware that is fitted on top of a vessel of boiling liquid such that vapour condenses and flows back into the vessel, preventing the contents from boiling dry.
simple past tense and past participle of brob
反応が長時間に及ぶ間、溶媒が煮詰まるのを防ぐため、化学者は丸底フラスコに二重管の水冷式還流冷却器を取り付けた。
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