corundum - Meaning, Image, Examples & Etymology - Learn English Visually

corundum

|co-run-dum|

/kəˈrʌndəm/

hard mineral

Etymology

Etymology Information

'corundum' originates from Tamil, specifically the word 'kuruntam', where 'kurun-' meant 'hard stone'.

Historical Evolution

'kuruntam' changed from the Tamil word 'kuruntam' and eventually became the modern English word 'corundum'.

Meaning Changes

Initially, it meant 'hard stone', but over time it evolved into its current meaning of 'a very hard mineral used as an abrasive'.

Meanings by Part of Speech

Noun 1

a very hard mineral, aluminum oxide, occurring in massive and crystalline forms, used as an abrasive and in the manufacture of refractories.

Corundum is used in the production of sandpaper.

Synonyms

Examples

Last updated: 2025/04/11 00:05