sequestration

[see-kwes-trey-shuhn, si-kwes-]
noun
1.
removal or separation; banishment or exile.
2.
a withdrawal into seclusion; retirement.
3.
Law.
a.
the sequestering of property.
b.
confiscation or seizure.
4.
Chemistry. the combining of metallic ions with a suitable reagent into a stable, soluble complex in order to prevent the ions from combining with a substance with which they would otherwise have formed an insoluble precipitate, from causing interference in a particular reaction, or from acting as undesirable catalysts.

Origin:
1350–1400; Middle English < Late Latin sequestrātiōn- (stem of sequestrātiō), equivalent to sequestrāt(us) (past participle of sequestrāre to sequester) + -iōn- -ion

nonsequestration, noun
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World English Dictionary
sequestration (ˌsiːkwɛˈstreɪʃən)
 
n
1.  the act of sequestering or state of being sequestered
2.  law the sequestering of property
3.  chem See also sequestrant the effective removal of ions from a solution by coordination with another type of ion or molecule to form complexes that do not have the same chemical behaviour as the original ions

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American Heritage
Medical Dictionary

sequestration se·ques·tra·tion (sē'kwĭ-strā'shən, sěk'wĭ-)
n.

  1. The formation of a sequestrum.

  2. Loss of blood or of its fluid content into spaces within the body, so that the circulating volume diminishes.

  3. The inhibition or prevention of normal ion behavior by combination with added materials, especially the prevention of metallic ion precipitation from solution.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Example sentences
In fact geologic sequestration, as it's called, is already under way.
Sequestration science is far ahead of needed policy.
Sequestration is almost nonexistent, and can be easily added into the equation.
Also, capturing the emissions it is not true sequestration, as it will be
  burned again as fuel.
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