transmembrane

transmembrane [trans-mem-breyn, tranz-] Word Origin adjective Biology.

1. occurring across a membrane, as an electric potential or the transport of ions or gases.

Origin of transmembrane First recorded in 1940–45; trans- + membrane transmembrane in Medicine transmembrane [trăns-mĕm′brān, trănz-] adj.

1. Passing or occurring across a membrane.