Online Google Dictionary

tarnish 中文解釋 wordnet sense Collocation Usage Collins Definition
Font size:

tarnishes, 3rd person singular present; tarnishing, present participle; tarnished, past tense; tarnished, past participle;
  1. Lose or cause to lose luster, esp. as a result of exposure to air or moisture
    • - silver tarnishes too easily
    • - lemon juice would tarnish the gilded metal
  2. Make or become less valuable or respected
    • - his regime had not been tarnished by human rights abuses
  1. Dullness of color; loss of brightness

  2. A film or stain formed on an exposed surface of a mineral or metal

  3. Damage or harm done to something

  1. discoloration of metal surface caused by oxidation
  2. make dirty or spotty, as by exposure to air; also used metaphorically; "The silver was tarnished by the long exposure to the air"; "Her reputation was sullied after the affair with a married man"
  3. Tarnish is a thin layer that forms over copper, brass, silver, aluminum, and other semi-reactive metals as their outermost layer undergoes a chemical reaction. Tarnish is mainly caused by chemicals in the air, such as sulfur dioxide. ...
  4. (Tarnishing) Natural aging process of bronze and other alloys exposed to air. May be retarded by protectional lacquering or waxing which in turn muffles the sound
  5. (Tarnishing (Mirroring)) Tarnishing refers to a form of age deterioration found on a photograph manifesting as a metallic sheen within its darker values. Processing residue or silver, migrating out from the image can form a very noticeable surface crust that takes on various colors. ...
  6. Tarnishing is a layer of corrosion that is formed on the surface of metals or alloys. Well-known is the tarnishing of silver and its alloys. It is mainly caused by degrading agents present in the atmosphere such as sulphur. It appears as a gray or black film over the metal.
  7. (tarnishment) a form of dilution that occurs when a famous mark is damaged by an unpleasant or unwholesome use of a similar mark.
  8. A discoloration that can build on silverplate or sterling if left exposed to the air or if brought into contact with certain foods and chemicals. Can easily be prevented by everyday use or protective storage and is easily removed by commercial silver polishes.
  9. Surface discoloration of a metal caused by formation of a thin film of corrosion product.
  10. Verb meaning to discolour metal by exposing it to air so that oxides, such as rust, form
  11. Tarnish is the undesirable dulling due to the effects of humidity, temperature and other atmospheric conditions upon certain metals.
  12. Discoloration of metal due to oxidation or corrosion. Sterling silver is very susceptible to tarnishing but can be cleaned with products or cloths designed for removing tarnish.
  13. oxidation process (formation of rust) that appears on sterling and silverplate. This occurs when material used in making the silver reacts to oxygen in the air. Tarnish may appear as dark coloration on flatware or hollowware. ...
  14. To dull the luster of a mineral by exposure to air or dirt. Tarnish is a form of corrosion.
  15. The build up of surface oxidation over a period of time.
  16. A thin layer that forms over metal that has the appearance of a dull gray or black coat. Fine silver, being composed of a higher degree of pure silver, tarnishes little or not at all, as compared with sterling silver which can be expected to tarnish considerably over time and exposure to the air.
  17. using the mark in such a fashion as to tarnish/disparage the original brand