
1) Contamination 2) Impurity 3) Material 4) Noxious waste 5) Poison 6) Something that contaminates 7) Stuff 8) Toxin
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https://www.crosswordclues.com/clue/contaminant

1) Poison 2) Pollutant
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https://www.crosswordclues.com/clue/contaminant

An impurity not intended to be present in the product that may be introduced through such things as poor cleaning, processing, lack of appropriate environmental and personnel controls during the manufacturing process, handling and distribution.
Found on
http://www.chemicalglossary.net/definition/435-Contaminant

Any physical, chemical, biological, or radiological substance causing an impurity in the environment.
Found on
http://www.conservewildlifenj.org/glossary/

a foreign substance or material in an insulating liquid or gas which usually has deleterious effect on one or more properties
Found on
http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=212-07-26

An impurity or foreign substance whose presence on an assembly could electrolytically, chemically, or galvanically corrode the system.
Found on
http://www.encyclo.co.uk/local/20870

An impurity; any material of an extraneous nature associated with a chemical, a pharmaceutical preparation, a physiologic principle, or an infectious agent. ... (05 Mar 2000) ...
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http://www.encyclo.co.uk/local/20973

(kәn-tam´ĭ-nәnt) something that causes contamination.
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http://www.encyclo.co.uk/local/21001

Any biological, chemical, physical or radiological substance that has an negative effect on air, soil or water.
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http://www.encyclo.co.uk/local/21291

Any physical, chemical, biological, or radiological substance or matter that has an adverse effect on air, water, or soil.
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http://www.encyclo.co.uk/local/21292

A substance that is either present in an environment where it does not belong or is present at level
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http://www.encyclo.co.uk/local/22412

A micro-organism, virus or substance accidentally introduced into a culture, substrate of medium.
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http://www.encyclo.co.uk/visitor-contributions.php

Any physical, chemical, biological, or radiological substance or matter that has an adverse effect on air, water, or soil. Can include a naturally occurring substance present in unusually high concentrations.
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http://www.encyclo.co.uk/visitor-contributions.php

Unwanted material; physical contaminants of compost can include glass, plastic and stones; chemical contaminants can include trace heavy metals and toxic organic compounds; biological contaminants can include pathogens.
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http://www.encyclo.co.uk/visitor-contributions.php

Impurity or foreign substance that affects one or more properties of composite material, particularly adhesion.
Found on
http://www.komprex.com/Glossary/index.htm

Type: Term Pronunciation: kon-tam′i-nant Definitions: 1. An impurity; any material of an extraneous nature associated with a chemical, a pharmaceutical preparation, a physiologic principle, or an infectious agent.
Found on
http://www.medilexicon.com/medicaldictionary.php?t=20056

[
n] - a substance that contaminates
Found on
http://www.webdictionary.co.uk/definition.php?query=contaminant

a pollution or material that can harm life
Found on
https://sciencetrek.org/sciencetrek/topics/soil/glossary.cfm

harmful substance deposited in the air or water or land
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https://sciencetrek.org/sciencetrek/topics/wetlands/glossary.cfm

Any physical, chemical, biological, or radiological substance or matter that has an adverse effect on air, water, or soil.
Found on
https://www.encyclo.co.uk/local/20094

Any foreign or unwanted substance that can have a negative effect on system operation, life or reliability.
Found on
https://www.encyclo.co.uk/local/20687
contamination noun a substance that contaminates
Found on
https://www.encyclo.co.uk/local/20974

something that contaminates.
Found on
https://www.infoplease.com/dictionary/contaminant
No exact match found.