childrenite

noun

chil·​dren·​ite

ˈchildrəˌnīt

plural -s

: a mineral (Fe,Mn)Al(PO₄)(OH)₂2H₂O consisting of a hydrous basic iron aluminum phosphate in translucent pale yellowish to dark brown orthorhombic crystals (hardness 4.5–5, specific gravity 3.18–3.24)

Word History

Etymology

John George Children †1852 English scientist + English -ite

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

1. Expanded definitions
2. Detailed etymologies
3. Advanced search tools
4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now