hardbottom

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noun

A hard seafloor, typically a layer of sand covering rock.

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Meanings

nounhardbottom (countable and uncountable, plural hardbottoms)

plural hardbottoms

  1. countableuncountableA hard seafloor, typically a layer of sand covering rock.

    Measures of seafloor topographic complexity were used as a proxy for the availability of hardbottom, since a comprehensive map of hard and soft seafloor sediments was also not readily available.

    2015 July 9, “Identifying Suitable Locations for Mesophotic Hard Corals Offshore of Maui, Hawai‘i”, in PLOS ONE, →DOI

Origin

From hard + bottom.

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

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