Definition of phytolithus in English:

phytolithus

noun

Geology
rare, historical
  • A fossil plant; = "phytolith".

Origin

Mid 18th century; earliest use found in Robert Dodsley (1704–1764), bookseller and writer. From scientific Latin Phytolithus, former genus name from phyto- + ancient Greek λίθος stone.

Pronunciation

phytolithus

/ˌfʌɪtə(ʊ)ˈlɪθəs/