penecontemporaneous

adjective

pe·​ne·​contemporaneous

¦pēnē+

: of, relating to, or being a geological phenomenon originating or effectuated during or soon after the formation of the rocks in which it is displayed

a penecontemporaneous mineral

penecontemporaneous structures

penecontemporaneously adverb

Word History

Etymology

pene- + contemporaneous

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