noun🔗ShareMillibarA non-SI unit of pressure equal to 100 pascals, used primarily to report atmospheric pressure."The weather report said the atmospheric pressure is 1013 millibars, which indicates a typical day. "Der Wetterbericht sagte, der Luftdruck betrage 1013 Millibar, was auf einen typischen Tag hindeutet.weatherphysicsscienceunitChat with AIVocabulary GamePractice Reading