breakthrough

Primary Meanings of breakthrough

1.
n
making an important discovery
2.
n
a penetration of a barrier such as an enemy's defense
Full Definitions of breakthrough
1

n making an important discovery

Type of:
discovery, find, uncovering
the act of discovering something

n a productive insight

Synonyms:
discovery, find
Type of:
brainstorm, brainwave, insight
the clear (and often sudden) understanding of a complex situation
2

n a penetration of a barrier such as an enemy's defense

Type of:
incursion, penetration
an attack that penetrates into enemy territory