Definition of tillite in English:

tillite

Syllabification: till·ite
Pronunciation: /ˈtilīt
 
/

noun

Geology
  • Sedimentary rock composed of lithified glacial till.
    More example sentences
    • He warned that not all poorly sorted rocks were true glacial tillites and thus were unreliable indicators of past climate and continental positioning.
    • One of the classical Late Pre-Cambrian tillites is the Bigganjargga tillite of northern Norway.
    • Both the tillite and the rock surface are demonstrably Pre-Cambrian.

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Word of the day coloratura
Pronunciation: ˌkɒlərəˈtjʊərə
noun
elaborate ornamentation of a vocal melody