Desiccant

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Dictionary Meaning and Definition on 'Desiccant'

Desiccant Meaning and Definition from WordNet (r) 2.0
    desiccant n : a substance that promotes drying (e.g., calcium oxide absorbs water and is used to remove moisture) [syn: drying agent, drier, sicative]
Desiccant Meaning and Definition from Webster's Revised Unabridged Dictionary (1913)
    Desiccant \De*sic"cant\, a. [L. desiccans, p. pr. of desiccare. See Desiccate.] Drying; desiccative. -- n. (Med.) A medicine or application for drying up a sore. --Wiseman.
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Wikipedia Meaning and Definition on 'Desiccant'


A desiccant is a hygroscopic substance that induces or sustains a state of dryness (desiccation) in its local vicinity in a moderately well-sealed container.

Commonly encountered pre-packaged desiccants are solids, and work through absorption or adsorption of water, or a combination of the two. Desiccants for specialized purposes may be in forms other than solid, and may work through other principles, such as chemical bonding of water molecules.

Pre-packaged desiccant is most commonly used to remove excessive humidity that would normally degrade or even destroy products sensitive to moisture. Some commonly used as desiccants are: Silica gel, calcium sulfate, calcium chloride, montmorillonite clay, and molecular sieves.

Rice is a common "low-tech" alternative frequently used, for example, in salt-shakers to maintain granularity of table salt for effective pouring or shaking. Rice, however, is not a good general purpose desiccant since, unless immersed in an organism-hostile environment like pure salt, over time may be eaten by creatures that might in turn contaminate the product that is being preserved. Salt itself is another effective desiccant, used for millennia in preparation of dried food and also to mummify corpses.

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Desiccant Sample Sentences in News


  • Silica Gel Desiccant Bag comes in several varieties.
    Used to absorb moist air or oxygen, desiccant packets can contain different type of granules or desiccant powders. Color silica gel granules (blue and orange) change color at different levels of absorption; non-colored (white) version is also available. Once granule is fully contaminated, it changes color completely to indicate it needs to be replaced. Granules ca Read more on this news related to 'Desiccant'
  • Desiccant Storage Cabinets offers below ambient temp control.
    In addition to providing 1% RH and closed loop desiccant regeneration, desiccant storage cabinets of XSDC series can reduce and control temperature to below ambient. This reduces inter-metallic growth associated with long-term storage. Insulated enclosure maintains set point temperature to within 2°C. This story is related to the following: Material Handling an Read more on this news related to 'Desiccant'

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