Definition of obduction in English:

obduction

noun

Geology
  • The sideways and upwards movement of the edge of a crustal plate over the margin of an adjacent plate.

    • ‘movement of the ophiolite so far south before obduction is unlikely’

Pronunciation

obduction

/əbˈdəkSH(ə)n/ /əbˈdəkʃ(ə)n/

Origin

Late 16th century (in obsolete sense ‘the action of covering or enveloping’): from Latin obduct- ‘covered over’, from the verb obducere, from ob- ‘against, towards’ + ducere ‘to lead’. The current sense dates from the 1970s.