obduct


ob·duc·tion

O5005400 (ŏb-dŭk′shən)n. A geologic process in which the oceanic crust of the edge of a tectonic plate is thrust over the continental crust of the edge of another, adjacent plate.
[Latin obductiō, obductiōn-, act of covering or enveloping, from obductus, past participle of obdūcere, to draw forward, cover over : ob-, toward, before; see ob- + dūcere, to lead, draw; see deuk- in Indo-European roots.]
ob·duct′ v.