Vitrain

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A constituent of banded bituminous coal consisting of a horizontal glossy band of friable material. countable, uncountable

    "The caking behaviour of vitrain and clarain could be improved after the coal has been picked out."

Synonyms

All synonyms
fusain

Example

More examples

"The caking behaviour of vitrain and clarain could be improved after the coal has been picked out."

Etymology

From Latin vitreus (“vitreous”) + -ain in fusain; compare French -ain (“-ane”). Coined by British birth control campaigner and paleontologist Marie Stopes in 1918.

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