deltaite

noun

del·​ta·​ite
ˈdeltəˌīt
plural -s
often capitalized
: a mineral Ca2Al2(PO4)2(OH)4.H2O consisting of a basic hydrous phosphate of calcium and aluminum

Word History

Etymology

delta entry 1 (Greek letter) + -ite; from the triangular appearance of the crystals in cross section

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Cite this Entry

“Deltaite.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/deltaite. Accessed 18 Jun. 2024.

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