breakthrough

break-through · noun

imported

Definitions

noun

  1. 1.

    A significant development or achievement, especially in science or technology.

  2. 2.

    Constituting a major advance or discovery.

  3. 3.

    An act of overcoming an obstacle or restriction.

  4. 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.