
1) Alloy 2) Anything added 3) Impureness 4) Impurity 5) Ingredient 6) State of being mixed 7) The act of mixing 8) The act of mixing together 9) There are no admixtures
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https://www.crosswordclues.com/clue/admixture

• (n.) The act of mixing; mixture. • (n.) The compound formed by mixing different substances together. • (n.) That which is mixed with anything.
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http://thinkexist.com/dictionary/meaning/admixture/

(F adjuvant, R adaos) C A material, other than aggregate, cementitious material or water, added in small quantities to the mix in order to produce some (desired) modifications, either to the properties of the mix or of the hardened product (BS 4049)
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http://www.angelfire.com/biz/BuildingPathology/BldngPathGlsry.html
Ad·mix'ture noun [ Latin
admiscere ,
admixtum , to admix;
ad +
miscere to mix. See
Mix .]
1. The act of mixing; mixture.
2. The compound formed by mixing different substances together.
3. That which is mixed with anything.
Found on
http://www.encyclo.co.uk/webster/A/31

In architecture, an admixture is a material other than water, aggregates, lime or cement, added to concrete or mortar at the time of mixing, Admixtures are typically added to function as water repellents, colouring agents or to adjust the setting rate of the concrete.
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http://www.probertencyclopaedia.com/browse/TA.HTM

[
n] - the state of impairing the quality or reducing the value of something 2. [n] - an additional ingredient that is added by mixing with the base
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http://www.webdictionary.co.uk/definition.php?query=admixture
intermixture noun an additional ingredient that is added by mixing with the base; `the growing medium should be equal parts of sand and loam with an admixture of peat moss and cow manure`; `a large intermixture of sand`
Found on
https://www.encyclo.co.uk/local/20974

A material other than water, aggregates, and portland cement that is used as an ingredient of concrete, and is added to the batch immediately before or during the mixing operation.
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https://www.encyclo.co.uk/local/21066

A material other than water, aggregates, and portland cement (including air-entraining portland cement, and portland blast furnace slag cement) that is used as an ingredient of concrete and is added to the bath before and during the mixing operation.
Found on
https://www.encyclo.co.uk/local/21122

Substance other than prescribed materials of water, aggregate and cementitious materials added to concrete, mortar or grout to improve one or more chemical or physical properties.
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https://www.encyclo.co.uk/local/22191

the act of mixing; state of being mixed. · anything added; any alien element or ingredient: This is a pure product; there are no admixtures. · a compound containing an admixture.
Found on
https://www.infoplease.com/dictionary/admixture
No exact match found.