Bentonite

/ˈbɛntənaɪt/ noun

Definition

A clay mineral formed from volcanic ash that can absorb large amounts of water and is used in drilling fluids, cosmetics, and other industrial applications.

Etymology

Named after Fort Benton in Wyoming, where this clay was first discovered in large quantities in the early 20th century. The -ite suffix indicates it's a mineral.

Kelly Says

Bentonite is a secret superhero of industry—it's in your cat litter because it absorbs liquid instantly, it seals pond liners, and it's pumped down oil wells to keep drilling smooth, yet most people have never heard of it!

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