A major and sudden advance that removes a big problem or barrier, especially in science, technology, or understanding.
Formed from “break” and “through,” originally used for physically breaking through enemy lines or walls. It later expanded to mental and scientific barriers.
A breakthrough isn’t just progress; it’s smashing through a wall that used to stop everyone. The word keeps that dramatic, military energy even when we’re just talking about a new phone battery or medical discovery.
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