leaching

The chemical is essential in the leaching process of copper, which involves extracting the metal from copper ore.

From MarketWatch ● May 12, 2026

Despite recycling efforts, most plastic ends up in landfills where it can take centuries to decompose, leaching out chemicals during that time, Deeney said.

From Barron's ● Jan. 26, 2026

That makes them significantly better at leaching copper from ore than conventional methods using acids, which often only capture up to half of the metal contained in the rock, she said.

From The Wall Street Journal ● Nov. 12, 2025

This unusual imbalance suggested that liquid water had once seeped through the rocks, effectively leaching lutetium out of them.

From Science Daily ● Oct. 16, 2025

The void seemed to be pulling at him, leaching the breath from his lungs and the oxygen from his blood.

From "The House of Hades" by Rick Riordan

They obtained a ton of pitchblende from the Austrian Government, began a long series of crushings, pulverizations, leachings, precipitations, crystallizations with apparatus at which a modern physicist would sneer.

From Time Magazine Archive

Wells are too frequently insufficiently protected from surface leachings, and consequently may contain all kinds of organisms found in the surface soil.

From Outlines of dairy bacteriology A concise manual for the use of students in dairying by Edwin George Hastings

The salt patrol, vigilant for erosions or leachings, a select corps, was alert night and day to keep the saline wall intact.

From Greener Than You Think by Ward Moore

Fresh manure may be used—in fact it is better, because the plants receive the benefit of the leachings, which is pretty well spent in old manure.

From Making a Garden of Perennials by W. C. (William Constantine) Egan

Danger, from drainage of barns and barnyards, 137; from leachings from privies and cesspools, 138.

From Rural Hygiene by Henry N. (Henry Neely) Ogden