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Meaning of burrstone | Babel Free

Noun CEFR B2
ˈbɚstoʊn

Definitions

A tough, silicified limestone formerly used to make millstones, typified by the presence of multiple cavities that originally housed fossilized shells.

countable, uncountable

CEFR level

B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
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