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rod

Latin

Variants

rodrosrud

Related Roots

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About This Root

From Latin rōdere (to gnaw, eat away). The gnawing action applies to both creatures and processes: rodent (a gnawing animal), erode (eat away gradually), erosion, corrode (eat away completely), corrosive. The progression from rodent (literal gnawing) to corrosion (chemical eating) shows how physical imagery extends to scientific contexts.

Associated Words

corrode

To eat away or destroy gradually by chemical action

IELTSTOEFLGRE

corrosion

The gradual chemical destruction of a material; rust or similar substance formed

TOEFLB1

corrosion-resistant

Able to resist corrosion or rust

corrosive

Capable of eating away materials by chemical action; a substance that does this

TOEFLGREC2

erode

To gradually wear away or weaken by natural forces or ongoing processes

TOEFLC2

erosion

The gradual wearing away of land or material by natural forces; slow weakening of something

IELTSTOEFLB1

rodent

A small gnawing mammal such as a rat or mouse

TOEFLA1