gypsum
a very common mineral, hydrated calcium sulfate, CaSO4⋅2H2O, occurring in crystals and in masses, soft enough to be scratched by the fingernail: used to make plaster of Paris, as an ornamental material, as a fertilizer, etc.
Origin of gypsum
1Words Nearby gypsum
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use gypsum in a sentence
So before we adapted this variable rate technology, we would drive down a row and we would put a consistent amount of amendments, whether it be gypsum, lime, soil, sulfur, we would apply that amount evenly throughout the entire vineyard block.
How one vineyard is using AI to improve its winemaking | Anthony Green | September 26, 2022 | MIT Technology ReviewGeologist Carolina Cardell of Spain’s University of Granada first noticed purple stains on the gypsum in 1993, but she and her colleagues didn’t have the tools to understand the splotches back then.
Why once-gold ceilings in Spain’s Alhambra palace have purple stains | Carmen Drahl | September 9, 2022 | Science NewsSqueeze through slot canyons, marvel at sparkling walls coated with gypsum, and meander through immense underground tunnels.
Hae Won Sohn uses gypsum cement to construct small abstract sculptures that resemble rock and bone.
In the galleries: Photos capture a fleeting moment, leave an indelible impression | Mark Jenkins | September 10, 2021 | Washington PostWorkers dumped 11,000 tons of gypsum minerals into riverbeds filled with dangerously alkaline sludge to keep it from burning organisms.
5 famous environmental disasters where humans and nature healed together | Meera Subramanian | February 16, 2021 | Popular-Science
Fracking, in this regard, is no different from gypsum mining, or some kinds of industrial agriculture.
The sand dunes were relentlessly mined in the past century; power lines and a gypsum plant split the park.
Why Do We Save Some Species and Let Others Get Devastated? | Melissa Holbrook Pierson | May 21, 2013 | THE DAILY BEASTIt is sometimes mixed with lime or gypsum, and dried with heat, and sometimes with animal charcoal or peat charcoal.
Elements of Agricultural Chemistry | Thomas Anderson"There is an extensive underlying layer of gypsum, here," he said.
The Planet Strappers | Raymond Zinke GallunAt the top there is a small aperture, which is hermetically closed with gypsum.
The difficulty of boiling them soft arises from an excess of gypsum imbibed during their growth.
The gypsum reposing on the mud is composed of plates in such close juxtaposition as to resemble an artificial pavement.
The Desert World | Arthur Mangin
British Dictionary definitions for gypsum
/ (ˈdʒɪpsəm) /
a colourless or white mineral sometimes tinted by impurities, found in beds as an evaporite. It is used in the manufacture of plaster of Paris, cement, paint, school chalk, glass, and fertilizer. Composition: hydrated calcium sulphate. Formula: CaSO 4 .2H 2 O. Crystal structure: monoclinic
Origin of gypsum
1Derived forms of gypsum
- gypseous (ˈdʒɪpsɪəs), adjective
- gypsiferous (dʒɪpˈsɪfərəs), adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for gypsum
[ jĭp′səm ]
A colorless, white, or pinkish mineral. Gypsum occurs as individual blade-shaped crystals or as massive beds in sedimentary rocks, especially those formed through the evaporation of saline-rich water. It is used in manufacturing plasterboard, cement, and fertilizers. Chemical formula: CaSO4·2H2O.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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