noun🔗ShareAn advance through and past enemy lines."The soldiers' breakthrough allowed the rest of the army to advance into enemy territory. "militarywaractionachievementChat with AIVocabulary GamePractice Reading
noun🔗ShareAny major progress; such as a great innovation or discovery that overcomes a significant obstacle."Albert Einstein is credited with making some of the greatest breakthroughs in modern physics."achievementsciencetechnologymedicinebusinessChat with AIVocabulary GamePractice Reading
noun🔗ShareThe penetration of the opposition defence"The star striker's breakthrough past the defenders led to a winning goal. "sportmilitaryachievementChat with AIVocabulary GamePractice Reading
noun🔗ShareThe penetration of a separating wall or the remaining distance to an adjacent hollow (a crosscut in mining) or between two parts of a tunnel build from both ends; knockthrough."The miners celebrated the breakthrough, as it meant they were finally close to connecting the two tunnels. "technicalgeologyarchitecturebuildingachievementChat with AIVocabulary GamePractice Reading
adjective🔗ShareCharacterized by major progress or overcoming some obstacle."a breakthrough technological advance"achievementChat with AIVocabulary GamePractice Reading