chimney rock

noun

Definition of chimney rock

1 : a column of rock rising above its surroundings or isolated on the face of a slope
2 : a porous phosphate rock that hardens on exposure to the air and is used especially in construction of chimneys

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“Chimney rock.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/chimney%20rock. Accessed 24 Nov. 2020.

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