When mixtures of rare earth elements were introduced into the layered manganese oxide, the heavier elements—with their smaller hydration shells—fit more comfortably inside the narrow channels and bound tightly to the material.
—
Rupendra Brahambhatt,
Interesting Engineering,
25 July 2026
New methods for testing chemical mixtures Thousands of chemicals are used in commerce and released into the environment.
Examples are automatically compiled from online sources to
show current usage.Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.