overthrust

overthrust

English

Etymology

Etymology tree
Proto-Indo-European *úp
Proto-Indo-European *-er
Proto-Indo-European *upér
Proto-Germanic *uber
Old English ofer-
Middle English over-
English over-
English thrust
English overthrust

    From over- + thrust.

    Noun

    overthrust (plural overthrusts)

    1. (geology, ambitransitive) A form of thrust fault from beneath a hanging wall of rock.

    Verb

    overthrust (third-person singular simple present overthrusts, present participle overthrusting, simple past and past participle overthrusted or overthrust)

    1. (geology, intransitive) Of a body of rock: to force itself over another.

    Adjective

    overthrust (not comparable)

    1. (geology) Belonging to earlier strata, pushed by faulting over later and higher strata.

    References

    Thrust fault on Wikipedia.Wikipedia

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