ClimateAugust 9, 2026

permeable

PUR-mee-uh-bul

Definition

Allowing substances, especially fluids or gases, to pass through or permeate.

Etymology

Derived from the Latin 'permeabilis', from 'permeare' meaning 'to pass through'. It entered English in the early 17th century to describe things that can be penetrated or passed through.

In the news

The article uses permeable to describe how Iceland's porous volcanic rock allows geothermal water to filter through naturally, a process Japan hopes to replicate.

Japan draws lessons from Iceland, a renewable energy powerhouse

Read the full article ↗

Japan Today

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