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ob·duc·tion  (ŏb-dŭkshən)
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Tweet 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 the Appendix of Indo-European roots.] ob·duct v. |
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