calcareous

adjective

cal·​car·​e·​ous kal-ˈker-ē-əs How to pronounce calcareous (audio)
1
a
: 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
calcareously adverb

Examples of calcareous in a Sentence

Recent Examples on the Web The surfaces were cleaned and examined for cut marks, but some surfaces had a layer of calcareous deposits that could not be cleaned without damaging the bones. Jennifer Ouellette, Ars Technica, 7 Apr. 2023 These calcareous rock formations in San Lorenzo Albarradas look as if a waterfall has been frozen to the side of a cliff. Brad Japhe, Travel + Leisure, 18 July 2023 For instance, at the University of Colorado Boulder, the developing technology plans to produce biogenic limestone, which will use coccolithophores—or calcareous microalgae—to suck in and retain CO2 in mineral form by way of photosynthesis and calcification. Sean Conlon, CBS News, 16 June 2022 But Daou is also producing premium Cabernet Sauvignon that easily competes with Napa, as the estate’s calcareous clay soils match the famous soils of Saint-Émilion, Bordeaux’s oldest-producing, still-active wine region. Jess Lander, San Francisco Chronicle, 9 Mar. 2023 Magnified 100x, the ossicles are calcareous and thought to offer some protection to juveniles. Discover Magazine, 4 Oct. 2017 This wine is made from grapes grown on sandstone, limestone, and calcareous shales at elevations of between 850 and 1,650 feet. Joseph V Micallef, Forbes, 18 Dec. 2022 The authors point out that scientists can no longer assume the calcareous tubes were made by wood-eaters. Gemma Tarlach, Discover Magazine, 18 June 2019 The vines are planted at more than 1200 feet above sea level in clay and calcareous soils. Mike Desimone and Jeff Jenssen, Robb Report, 3 Jan. 2023 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'calcareous.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

Latin calcarius of lime, from calc-, calx

First Known Use

1677, in the meaning defined at sense 1a

Time Traveler
The first known use of calcareous was in 1677

Dictionary Entries Near calcareous

Cite this Entry

“Calcareous.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/calcareous. Accessed 5 Mar. 2024.

Kids Definition

calcareous

adjective
cal·​car·​e·​ous kal-ˈkar-ē-əs How to pronounce calcareous (audio)
-ˈker-
1
: resembling calcite or calcium carbonate especially in hardness
2
: consisting of or containing calcium carbonate
also : containing calcium

Medical Definition

calcareous

adjective
cal·​car·​e·​ous kal-ˈkar-ē-əs, -ˈker- How to pronounce calcareous (audio)
1
: resembling calcite or calcium carbonate especially in hardness
2
: consisting of or containing calcium carbonate
also : containing calcium
Last Updated: - Updated example sentences
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