pyrophyllite

noun

py·​ro·​phyl·​lite ˌpī-rō-ˈfi-ˌlīt How to pronounce pyrophyllite (audio) pī-ˈrä-fə-ˌlīt How to pronounce pyrophyllite (audio)
: a soft usually white or greenish mineral that is a hydrous aluminum silicate, resembles talc, occurs in a foliated form or in compact masses, and is used especially in ceramic wares

Examples of pyrophyllite in a Sentence

Recent Examples on the Web
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Read More: How Viking and Germanic DNA Spread Through the Iron Age Migrations Similarities Among Viking Solar Compasses The researchers compared the pyrophyllite disks with other artifacts that have been identified as navigational instruments used by Vikings. Jack Knudson, Discover Magazine, 13 Jan. 2025

Word History

Etymology

German Pyrophyllit, from Greek pyr- + phyllon leaf — more at blade

First Known Use

1830, in the meaning defined above

Time Traveler
The first known use of pyrophyllite was in 1830

Dictionary Entries Near pyrophyllite

Cite this Entry

“Pyrophyllite.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pyrophyllite. Accessed 30 Jan. 2025.

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