com·press • v. / kəmˈpres/ [tr.] (often be compressed) flatten by pressure; squeeze; press. ∎ [intr.] be squeezed or pressed together or into a smaller space: the land is sinking as the soil compresses. ∎ squeeze or press (two things) together: Violet compressed her lips together grimly. ∎ express in a shorter form; abridge. ∎ Comput. alter the form of (data) to reduce the amount of storage necessary. ∎ [as adj.] (compressed) chiefly Biol. having a narrow shape as if flattened, esp. sideways: most sea snakes have a compressed tail.• n. / ˈkämˌpres/ a pad of absorbent material pressed onto part of the body to relieve inflammation or stop bleeding: a cold compress.DERIVATIVES: com·press·i·bil·i·ty / kəmˌpresəˈbilitē/ n.com·press·i·ble adj.com·pres·sive / -ˈpresiv/ adj.
com·pres·sion / kəmˈpreshən/ • n. the action of compressing or being compressed. ∎ the reduction in volume (causing an increase in pressure) of the fuel mixture in an internal combustion engine before ignition.DERIVATIVES: com·pres·sion·al / -shənl/ adj.