noun
penetration
peh-nih-TRAY-shuhn
noun
1
The act of entering into or passing through something.
"The bullet's penetration was stopped by the vest."
2
The proportion of a market or population that uses or owns a particular product.
"Smartphone penetration in the region has passed 90 percent."
How to Use Penetration
Learner’s notesIn plain EnglishThe act of getting into or through something, or how widely something has spread through a market.
Common pairings
market penetration
deep penetration
Word Forms
penetrations plural
Study it as flashcards or scroll it in Flow — saved to your collection.
Test yourself on “penetration”
A quick quiz — meaning, synonyms & usage
→
Fill the Gap
Can you complete this real example?
The bullet's _____ was stopped by the vest.
Etymology
From Latin penetratio, from penetrare ("to pierce, enter deeply").