con·dense / kənˈdens/ • v. 1. [tr.] make (something) denser or more concentrated: the limestones of the Jurassic age are condensed into a mere 11 feet. ∎ [usu. as adj.] (condensed) thicken (a liquid) by reducing the water content, typically by heating: condensed soup. ∎ express (a piece of writing or speech) in fewer words; make concise: he condensed the three plays into a three-hour drama. ∎ (in word processing) (of character spacing) reduced. 2. [intr.] be changed from a gas or vapor to a liquid: the moisture vapor in the air condenses into droplets of water. ∎ [tr.] cause (a gas or vapor) to be changed to a liquid. DERIVATIVES: con·den·sa·ble adj.