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efflorescence

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efflorescence: see hydrate hydrate , chemical compound that contains water. A common hydrate is the familiar blue vitriol, a crystalline form of cupric sulfate. Chemically, it is cupric sulfate pentahydrate, CuSO4·5H2O.
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efflorescence
1. Chem Geology
a. the process of efflorescing
b. the powdery substance formed as a result of this process, esp on the surface of rocks
2. any skin rash or eruption
efflorescence [‚ef·lə′res·əns]
(botany)
The period or process of flowering.
(chemistry)
The property of hydrated crystals to lose water of hydration and crumble when exposed to air.
(materials)
A crust of salts, usually white, that forms on the surface of stone, brick, plaster, or mortar because of leaching of free alkalies from adjacent concrete or mortar.
(mineralogy)
A whitish powder, consisting of one or several minerals produced as an encrustation on the surface of a rock in an arid region. Also known as bloom.
efflorescence
An encrustation of soluble salts, commonly white, deposited on the surface of stone, brick, plaster, or mortar; usually caused by free alkalies leached from mortar or adjacent concrete as moisture moves through it.
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There was nothing to look at besides but a bare coast, the mud dy edge of the brown plain with the sinuosities of the river you had left, traced in dull green, and the Great Pagoda uprising lonely and massive with shining curves and pinnacles like the gorgeous and stony efflorescence of tropical rocks.
Falk - A Reminiscence by Conrad, Joseph View in context
In enforcing a truth we need severity rather than efflorescence of language.
Poems by Poe, Edgar Allan View in context
 
 
 
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