メチルオレンジじ字FuriganaMeanings1nounmethyl orangeA pH indicator used in chemistry; red in acidic solutions and yellow in alkaline solutions.滴てき定ていの終しゅう点てんを確かく認にんするためにメチルオレンジを加くわえた。Methyl orange was added to confirm the endpoint of the titration.
