caprock

noun
cap·​rock | \ ˈkap-ˌräk How to pronounce caprock (audio) \

Definition of caprock

Examples of caprock in a Sentence

Recent Examples on the Web

Natural arches typically form where a layer of hard caprock lies on top of a softer stone, like limestone. Ken Jennings, CNT, "China's Xianren Bridge, the World's Longest Natural Arch, Wasn't Discovered Until 2009," 26 June 2017 Wind or water then beats alcoves and cracks in the lower layers of the outcropping, eventually forming a hole below the sturdy caprock—a process that can take millions of years. Ken Jennings, Condé Nast Traveler, "China's Xianren Bridge, the World's Longest Natural Arch, Wasn't Discovered Until 2009," 26 June 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'caprock.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of caprock

1859, in the meaning defined above

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Time Traveler for caprock

The first known use of caprock was in 1859

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