Underclay

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A stratum of clay lying beneath a coal bed.

Etymology

From under- + clay.

More for "underclay"

SynonymsSentencesPronunciationTranslate

Next best steps

Find stronger synonymsSee usage examplesCheck pronunciationBrowse writing guides

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