cal·​car·​e·​ous | \ kal-ˈker-ē-əs How to pronounce calcareous (audio) \

Definition of calcareous

1a : resembling calcite or calcium carbonate especially in hardness
b : consisting of or containing calcium carbonate also : containing calcium
2 : growing on limestone or in soil impregnated with lime

Other Words from calcareous

calcareously adverb

Examples of calcareous in a Sentence

Recent Examples on the Web Some oaks are better-adapted to short-term soil sogginess, while others are resilient during drought; some need acid soils while others can grow in calcareous (higher pH) soils. Miri Talabac, Baltimore Sun, 20 Apr. 2022 Each embryo is immersed in nutritious fluids and encased in a leathery calcareous shell. Gabe Andrews, Scientific American, 31 Jan. 2022 Between the 2017 London Marathon and the 2019 Chicago Marathon, Thweatt was stuck in an injury cycle that began with Osteitis Pubis and ended with a grade 4 calcareous stress fracture. Outside Online, 2 Mar. 2021 What is left is transparent tissue that reveals their calcareous bones. Vogue, 30 Nov. 2021 For example, Adrianna Vineyard White Bones Chardonnay originates from vine rows growing in soil that’s layered with calcareous deposits and fossilized animal bones. Jill Barth, Forbes, 27 Sep. 2021 Once the pipe hit bottom, a drill plunged down to 75 meters into pelagic clay and calcareous nannofossil ooze at multiple different sites. Jennifer Frazer, Scientific American, 4 Mar. 2021 Soils here are mostly calcareous with varying amounts of loam, clay and sand mixed in. Joseph V Micallef, Forbes, 18 Mar. 2021 From the calcareous soils of the Kristy Vineyard in Monterey County, the aromatic white wine is juicy and bright, with citrus and stone fruit flavors. Esther Mobley, San Francisco Chronicle, 14 June 2018 See More

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

First Known Use of calcareous

1677, in the meaning defined at sense 1a

History and Etymology for calcareous

Latin calcarius of lime, from calc-, calx

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The first known use of calcareous was in 1677

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Dictionary Entries Near calcareous



calcareous sinter

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Cite this Entry

“Calcareous.” Dictionary, Merriam-Webster, Accessed 30 Sep. 2022.

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More Definitions for calcareous


cal·​car·​e·​ous | \ kal-ˈkar-ē-əs, -ˈker- How to pronounce calcareous (audio) \

Medical Definition of calcareous

1 : resembling calcite or calcium carbonate especially in hardness
2 : consisting of or containing calcium carbonate also : containing calcium


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