rockfill

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noun

A dam's embankment of compacted free-draining granular earth, often containing rocks, with an impervious zone.

Scrabble 17
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Meanings

nounrockfill (countable and uncountable, plural rockfills)

plural rockfills · alternative rock-fill

  1. countableuncountableA dam's embankment of compacted free-draining granular earth, often containing rocks, with an impervious zone.

Origin

From rock + fill.

Full word history & related roots →
Cite this entry
APA

rockfill. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/rockfill

MLA

“rockfill.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/rockfill. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “rockfill,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/rockfill.

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