noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A gray to black oil shale of marine origin in which the chiefmain organic components are lamalginite and bituminite derived from marine phytoplankton, with varied admixtures of bitumen, telalginite and vitrinite countable, uncountable

Etymology

From marine + -ite.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.