Plural of absorbent; materials or substances that soak up liquids or other matter.
Absorbent comes from Latin absorbens (present participle of absorbere). The -s marks standard English plural formation.
Activated charcoal is one of the most fascinating absorbents ever discovered—it has an incredibly porous structure with surface area equivalent to a football field in just one teaspoon, which is why it's used in everything from water filters to gas masks.
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