ScienceAugust 15, 2026

motherlode

MUH-ther-lohd

Definition

A rich, abundant, or primary source of something valuable.

Etymology

Originating in the mid-19th century in the American West, the term is a literal translation of the mining term 'mother lode,' referring to the principal vein or body of ore from which smaller deposits are derived.

In the news

The article uses the term to describe the intense industry search for large, commercially viable natural hydrogen deposits, likening it to a 'gold rush'.

Instead of making hydrogen, this Canadian company is drilling for it

Read the full article ↗

CBC

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