breakthrough
break-through · noun
Definitions
noun
- 1.
A significant development or achievement, especially in science or technology.
- 2.
Constituting a major advance or discovery.
- 3.
An act of overcoming an obstacle or restriction.
- 4.
A military advance through an enemy's defensive line.
Forms
plural: breakthroughs
Phrases & expressions
- •make a breakthrough — to achieve a significant advance
- •breakthrough moment — a pivotal point of progress
- •breakthrough research — innovative scientific work
Related words
Etymology
Compound word formed from "break" and "through," first used in the military sense in the early 20th century, later extended to scientific and other achievements.