hardground

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noun

A lithified seafloor.

“Ancient hardgrounds are found in limestone sequences and distinguished from later-lithified sediments by evidence of exposure to normal marine waters.”

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Meanings

nounhardground (plural hardgrounds)

plural hardgrounds

  1. geographyA lithified seafloor.

    Ancient hardgrounds are found in limestone sequences and distinguished from later-lithified sediments by evidence of exposure to normal marine waters.

  2. businessA hard stratum of rock other than coal.

Origin

From hard + ground.

Full word history & related roots →
Cite this entry
APA

hardground. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/hardground

MLA

“hardground.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/hardground. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “hardground,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/hardground.

Source: hardground on Wiktionary, CC BY-SA 4.0.