interfinger

[ in-ter-fing-ger ]

verb (used without object)

, Geology.

1. (of sedimentary rocks) to change laterally from one type to another in a zone where the two types form interpenetrating wedges.

Word History and Origins

Origin of interfinger¹

First recorded in 1970–75; inter- + finger

Example Sentences

The forest types interfinger along the shady and the sunny slopes.

From Project Gutenberg