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petr-

combining form

Definition of petr-

  1. 1 :  stone :  rock <petrology>

  2. 2 :  petroleum <petrodollar>



Variants of petr-

or

petri-

or

petro-

Origin and Etymology of petr-

New Latin, from Greek petr-, petro-, from petros stone & petra rock


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to proceed clumsily or ineffectually

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