horn slate

noun

A gray siliceous stone.

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Meanings

nounhorn slate (countable and uncountable, plural horn slates)

plural horn slates

  1. countableuncountableA gray siliceous stone.
Cite this entry
APA

horn slate. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/horn%20slate

MLA

“horn slate.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/horn%20slate. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “horn slate,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/horn%20slate.

Source: horn slate on Wiktionary, CC BY-SA 4.0.