ScienceAugust 30, 2026

guar

GWAHR

Definition

A powdery substance derived from the seeds of the guar plant, used in this study as a thickening agent in a biopolymer to help stabilize lead within concrete.

Etymology

The word originates from the Hindi word 'gwar', which ultimately traces back to the Sanskrit word 'godhanya', meaning 'cow-grain' or 'food for cows'.

In the news

In the article, researchers used a biopolymer made from guar gum and boric acid to trap lead inside concrete mixtures. This was critical because it prevented toxic lead from leaching out of the recycled CRT glass.

Miami researchers tested concrete that replaced sand with leaded CRT glass; a biopolymer helped limit lead

Read the full article ↗

The Economic Times

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