Subbituminous

adj

adj ·Rare ·Advanced level

Definitions

Adjective
  1. 1
    Partly or imperfectly bituminous. not-comparable

    "subbituminous coal"

Etymology

From sub- + bituminous.

More for "subbituminous"

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