We report on a measurement of the tensor analyzing power T-20 in elastic el
ectron-deuteron scattering in the range of four-momentum transfer from 1.8
to 3.2 fm(-1). Electrons of 704 MeV were scattered from a polarized deuteri
um internal target. The tensor polarization of the deuterium nuclei was det
ermined with an ion-extraction system, allowing an absolute measurement of
T-20 The data are described well by a nonrelativistic calculation that incl
udes the effects of meson-exchange currents.