penetration
nounUK /ˌpen.ɪˈtreɪ.ʃən/
US /ˌpen.əˈtreɪ.ʃən/
The act of going into or through something.
The penetration of sunlight through the clouds warmed the garden.
RELATED WORDS
OTHER MEANINGS
2. The ability to enter or spread into a market or group.
The company achieved strong market penetration within a year.
3. The act of understanding something deeply.
Her penetration of the complex problem impressed the whole team.
4. The depth to which something reaches into a surface or material.
The bullet's penetration was stopped by the thick wall.