condensation

US /ˌkɑːn-/
UK /ˌkɑːn-/
"condensation" picture
1.

the conversion of a gas or vapor into a liquid

:
You can see condensation on the cold windowpane.
The air conditioning caused a lot of condensation on the pipes.
2.

the act or process of making something more dense or concentrated

:
The condensation of the argument into a few key points made it easier to understand.
This book is a condensation of his earlier, longer work.