Webster's Online Dictionary
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Definition: IMPURITIES

Part of Speech Definition
Noun Plural 1. Plural inflection of the noun impurity.[Eve - graph theoretic]
Noun Base
(impurity)
1. Worthless or dangerous material that should be removed.[Wordnet].
2. The condition of being impure.[Wordnet].
3. Worthless material that should be removed; "there were impurities in the water".[Wordnet].
4. The condition or quality of being impure in any sense; defilement; foulness; adulteration.[Websters].
5. That which is, or which renders anything, impure; foul matter, action, language, etc.; a foreign ingredient.[Websters].
6. Want of ceremonial purity; defilement.[Websters].

Sources: compiled from various sources, (under license) copyright 2008.

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Date "Impurities" was first used in popular English literature: sometime before 1550. (references)

Specialty Expressions: IMPURITIES

Expressions Domain Definition
Compensated impurities Electrical Engineering The donor or acceptor impurities in semiconductor material, neutralized by the presence of impurities of the opposite type. Source: European Union. (references)
Ionic impurities Electrical Engineering Condensate polishers are devices that can also remove ionic (dissolved) impurities from the water returning to the steam generator from the condenser. Source: European Union. (references)

Source: compiled by the editor from various references; see credits.

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Definition: IMPURITIES

Part of SpeechDefinition
Noun Plural1. Plural inflection of the noun impurity.[Eve - graph theoretic]
Noun Base
(impurity)
1. Worthless or dangerous material that should be removed.[Wordnet].
2. The condition of being impure.[Wordnet].
3. Worthless material that should be removed; "there were impurities in the water".[Wordnet].
4. The condition or quality of being impure in any sense; defilement; foulness; adulteration.[Websters].
5. That which is, or which renders anything, impure; foul matter, action, language, etc.; a foreign ingredient.[Websters].
6. Want of ceremonial purity; defilement.[Websters].

Sources: compiled from various sources, (under license) copyright 2008.

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Date "IMPURITIES" was first used in popular English literature: sometime before 1550. (references)

Specialty Definition: impurity

DomainDefinition
Noah Webster1: [Noun] Want of purity; foulness; feculence; the admixture of a foreign substance in any thing; as the impurity of water, of air, of spirits, or of any species of earth or metal..
 2: [Noun] Any foul matter..
 3: [Noun] Unchastity; lewdness. The foul impurities that reigned among the monkish clergy..
 4: [Noun] Want of sanctity or holiness; defilement by guilt..
 5: [Noun] Want of ceremonial purity; legal pollution or uncleanness. By the Mosaic law, a person contracted impurity by touching a dead body or a leper..
 6: [Noun] Foul language; obscenity. Profaneness, impurity, or scandal, is not wit.. Source: Webster's 1828 American Dictionary.
Electrical Engineering1: A) foreign atoms in a single element semiconductor; b) foreign atoms or either an excess or a deficiency of atoms, with respect to the stoichiometric composition of a compound semiconductor. Source: European Union. (references)
 2: Foreign atoms added to a semiconductor crystal to produce excess electrons (a donor impurity) or excess holes (an acceptor impurity). Source: European Union. (references)
MiningAny undesirable substance not normally present in air, water, coal, or other materials or present in an excessive amount. Syn: contaminant. (references)
WikipedicImpurities are substances inside a confined amount of liquid, gas, or solid, which differ from the chemical composition of the material or compound. (references)
Wiktionary1: [Noun] A component or additive that renders something else impure. The impurities in the iron ore made extraction of the iron very difficult. (references)
 2: [Noun] A state of immorality or sin. With his cheating, lying and stealing, he epitomised the impurity of humanity. (references)
 3: [Noun] The condition of being impure; because of contamination, pollution, adulteration or insufficient purification. Even animals in the Jewish system cause impurity only when they are dead. (references)

Source: compiled by the editor from various references; see credits.

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Specialty Expressions: IMPURITIES

ExpressionsDomainDefinition
Compensated impuritiesElectrical EngineeringThe donor or acceptor impurities in semiconductor material, neutralized by the presence of impurities of the opposite type. Source: European Union. (references)
Ionic impuritiesElectrical EngineeringCondensate polishers are devices that can also remove ionic (dissolved) impurities from the water returning to the steam generator from the condenser. Source: European Union. (references)

Source: compiled by the editor from various references; see credits.

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Topics by Level of Interest: impurity

Topics sorted by level of InterestLevel (1=low, 600=high)   Topics sorted AlphabeticallyLevel (1=low, 600=high)
Impurity34   Impurity34
Impurity (album)17   Impurity (album)17
Impurity (Fleshcrawl album)10   Impurity (Fleshcrawl album)10
Magnetic impurity3   Magnetic impurity3

Source: the editor, created by/for EVE to gauge likely levels of human interest in linguistically triggered topics (compiled across various sources, such as Wikipedia and specialty expression glosses).