Dictionary.com
Thesaurus.com

tephroite

American  
[tef-roh-ahyt] / ˈtɛf roʊˌaɪt /

noun

  1. a mineral, silicate of manganese, Mn 2 SiO 4 , occurring in orthorhombic crystals.


Etymology

Origin of tephroite

1865–70; < German Tephroit < Greek tephró ( s ) ash gray + German -it -ite 1

Vocabulary.com logo
by dictionary.com

Join 12,000,000 vocabulary learners

Start learning new words today on VocabTrainer.
You'll remember them forever.

Start training