Antitarnish – Definition & Meaning

Antitarnish is a term that is commonly used in the world of jewelry and metalworking. It refers to a substance or treatment that is used to prevent the tarnishing of metals, such as silver, copper, and brass. In this article, we will explore the definition, origin, and meaning of antitarnish, as well as its associations, synonyms, and antonyms.


Antitarnish can be defined as a substance or process that is used to prevent or slow down the tarnishing of metals. Tarnishing is a natural process that occurs when metals react with oxygen and other elements in the air, causing a discoloration or dulling of the surface. Antitarnish products work by creating a barrier between the metal and the air, preventing or delaying the tarnishing process.


The word antitarnish is derived from the prefix “anti-“, which means “against”, and the word “tarnish”, which refers to the discoloration or dulling of metal surfaces. The first known use of the term antitarnish was in 1931.

Meaning in different dictionaries

According to Merriam-Webster, antitarnish is “a substance used to prevent tarnishing of metals”. Oxford Languages defines it as “a substance or process used to prevent or slow down the tarnishing of metals”.


Antitarnish is commonly associated with the jewelry industry, where it is used to protect precious metals from tarnishing and discoloration. It is also used in other industries, such as electronics and automotive, to protect metal components from corrosion and wear.


Synonyms for antitarnish include anti-corrosion, anti-rust, and anti-oxidation.


Antonyms for antitarnish include tarnish, corrosion, rust, and oxidation.

The same root words

The word tarnish is derived from the Old High German word tarnen, which means “to hide or conceal”. Other words with the same root include tarn, which refers to a small mountain lake, and tarpaulin, which is a heavy-duty waterproof cloth.

Example Sentences

  • The jeweler applied an antitarnish coating to the silver necklace to prevent it from tarnishing.
  • The electronics manufacturer used an antitarnish treatment on the metal components to protect them from corrosion.
  • The antique brass doorknob had lost its shine due to tarnishing, but an antitarnish polish restored its luster.
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