Online Google Dictionary

contaminants 中文解釋 wordnet sense Collocation Usage Collins Definition
  1. (contamination) the state of being contaminated
  2. (contamination) the act of contaminating or polluting; including (either intentionally or accidentally) unwanted substances or factors
  3. Pollution is the introduction of contaminants into a natural environment that causes instability, disorder, harm or discomfort to the ecosystem i.e. physical systems or living organisms. Pollution can take the form of chemical substances or energy, such as noise, heat, or light. ...
  4. (Contamination (album)) Contamination is a 1996 album by Belgian electro-industrial act Suicide Commando.
  5. (Contamination (Private Practice)) "Contamination is the eleventh episode from the second season of Grey's Anatomy spin-off show, Private Practice. The episode aired on January 8, 2009 in the United States on ABC.
  6. (contaminated) adulterated; impure
  7. (contamination) The act or process of contaminating; pollution; defilement; taint; also, that which contaminates; A process whereby words with related meanings come to have similar sounds; The process of making a material or surface unclean or unsuited for its intended purpose, usually by the ...
  8. (Contaminant) A harmful, irritating, or nuisance material that is foreign to the normal atmosphere.
  9. (Contaminant) Anything found in water (including microorganisms, minerals, chemicals, radionuclides, etc.) which may be harmful to human health.
  10. (contaminant) Unwanted material. Physical contaminants of compost include glass, plastic, and stones, and chemical contaminants include trace heavy metals and toxic compounds.
  11. (contaminant) Any physical, chemical, biological, or radiological substance or matter that has an adverse effect on air, water, or soil.
  12. (Contaminant) any foreign or unwanted substance that can have a negative effect on system operation, life or reliability.
  13. (contaminant) An impurity or foreign substance present in a material or environment that affects one or more properties of the material.
  14. (Contaminant) A material that is harmful to, or creates inefficiencies in, the recycling process when included with a recyclable material.
  15. (Contaminant) an undesirable substance not normally present, or an usually high concentration of a naturally-occurring substance, in water, soil, or other environmental medium. In more restricted usage, a substance in water that may be harmful to human health.
  16. (Contaminant) In water, any substance other than hydrogen and oxygen. The U.S. Environmental Protection Agency has established guidelines for three different classes of contaminants.
  17. (Contaminant) includes any substance (including gases, liquids, solids, and micro-organisms) or energy (excluding noise) or heat, that either by itself or in combination with the same, similar, or other substances, energy, or heat---
  18. (Contaminant) A substance that is not naturally present in the environment or is present in unnatural concentrations that can, in sufficient concentration, adversely alter an environment. ...
  19. (Contaminant) an unwanted substance that may reduce the quality of the air.
  20. (Contaminant) Any foreign component in a substance, for example in water.
  21. (Contaminant) A substance, liquid or solid, which is present in a break. Contaminants must be removed from a break before a repair can begin.
  22. (Contaminant) An undesired component in a pure gas or gas mixture.
  23. (Contaminant) Any impurity or substance that pollutes another; an agent of contamination accidently or inadvertantly introduced into food, water, soil, or air, that may or may not be harmful or potentially poisonous.
  24. (Contaminant) Any item or material that reduces the quality of paper for recycling or, in large quantities, makes it unrecyclable. Contaminants include metal, foil, glass, plastic, hot melt or pressure sensitive adhesives, food, hazardous waste, carbon paper, waxed boxes, and synthetic fabrics. ...
  25. (Contaminant) Any material of substance which is unwanted or adversely affects the fluid power system or components, or both.