gyp sum
səm noun
a very common mineral, hydrated calcium sulfate, CaSO 4 ⋅2H 2 O, 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:
1640–50; < Latin: chalk < Greek gýpsos chalk, gypsum
1640–50; < Latin: chalk < Greek gýpsos chalk, gypsum
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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Based on the Random House Dictionary, © Random House, Inc. 2013.
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Link To gyp sum
Collins
World English Dictionary
gypsum (ˈdʒɪpsəm) ![[Click for IPA pronunciation guide]](http://static.sfdict.com/dictstatic/g/d/dictionary_questionbutton_default.gif) | |
| —n | |
| 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: CaSO4.2H2O. Crystal structure: monoclinic | |
| [C17: from Latin, from Greek gupsos chalk, plaster, cement, of Semitic origin] | |
| gypseous | |
| —adj | |
| gypsiferous | |
| —adj | |
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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00:10
Gyp sum
is always a great word to know.
So is flibbertigibbet. Does it mean:
| a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes. |
| a chattering or flighty, light-headed person. |
Etymonline
Word Origin & History
gypsum
late 14c., from L. gypsum, from Gk. gypsos "chalk," probably of Sem. origin (cf. Arabic jibs, Heb. gephes "plaster").
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Science Dictionary
gypsum  (jĭp'səm) Pronunciation Key
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 © 2002. Published by Houghton Mifflin. All rights reserved.
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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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