breakthrough
nounUK /ˈbreɪkθruː/
US /ˈbreɪkθruː/
A breakthrough is a big discovery or success that fixes a problem.
The scientists made a breakthrough in finding a cure for the disease.
RELATED WORDS
OTHER MEANINGS
2. A sudden important change that helps you move forward.
Learning to read was a real breakthrough for the young student.
3. A military attack that goes through an enemy's defenses.
The army made a breakthrough at the border.
4. A moment when you finally understand something difficult.
She had a breakthrough in math after practicing every day.