condense
v. B2 Upper Intermediate US //kənˈdɛns// UK //kəndˈɛns// con·dense
v. to change from a gas into a liquid, or to make something smaller and more solid. You use this when water vapor turns into droplets or when you shorten a long story.
v. to change from a gaseous to a liquid or solid state; to reduce in volume or density. Transitive when referring to physical matter, often intransitive when describing the process of a substance.
The steam will condense on the cold window.
The teacher asked the students to condense their five-page essays into a single paragraph.
As the warm air rises and cools, the moisture within it begins to condense, eventually forming the dense clouds that signal an approaching storm.
Borrowed from Middle French condenser, from Latin condēnsō.