transitive. To make dense, increase the density of; to bring the particles of (a substance) into closer aggregation, so that they occupy a smaller…

transitive. To cause to be concentrated (in a person, thing, or place), esp. with a resultant increase in intensity or power.

transitive (chiefly in passive). To collect, gather, or contain within a small area or compass; to concentrate. Frequently with up. Obsolete.

To press or pack together (component atoms or parts); to compress, condense, solidify.

To put into a small compass; to concentrate.

transitive. To reduce in compass or volume; to contract, condense; (hence) to intensify.