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corrode (v.)

late 14c., "to eat away, diminish or disintegrate (something) by gradually separating small bits of it," from Old French corroder (14c.) and directly from Latin corrodere "to gnaw to bits, wear away," from assimilated form of com-, here perhaps an intensive prefix (see com-), + rodere "to gnaw" (possibly from an extended form of PIE root *red- "to scrape, scratch, gnaw"). Figurative use from 1630s. Related: Corroded; corroding.

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Definitions of corrode from WordNet

corrode (v.)
cause to deteriorate due to the action of water, air, or an acid;
The acid corroded the metal
Synonyms: eat / rust
corrode (v.)
become destroyed by water, air, or a corrosive such as an acid;
The metal corroded
Synonyms: rust
From wordnet.princeton.edu