Tarnish is a product of a chemical reaction between a metal and a nonmetal compound, especially oxygen and sulfur dioxide. It is usually a metal oxide, the product of oxidation; sometimes it is a metal sulfide. The metal oxide sometimes reacts with water to make the hydroxide, or with carbon dioxide to make the carbonate. It is a chemical change.

The meaning of TARNISH is to dull or destroy the luster of by or as if by air, dust, or dirt : soil, stain. How to use tarnish in a sentence.

TARNISH definition: 1. to make or (especially of metal) become less bright or a different colour 2. to make people…. Learn more.

Synonyms for TARNISH: taint, mar, spoil, stain, poison, darken, touch, blemish; Antonyms of TARNISH: purify, cleanse, elevate, glorify, magnify, uplift, dignify, ennoble

TARNISH meaning: 1. to make or (especially of metal) become less bright or a different colour 2. to make people…. Learn more.

TARNISH definition: to lose or cause to lose the shine , esp by exposure to air or moisture resulting in... | Meaning, pronunciation, translations and examples

TARNISH meaning: 1 : to become or cause (metal) to become dull and not shiny; 2 : to damage or ruin the good quality of (something, such as a person's reputation, image, etc.)

The differences between tarnish, patina, and rust are that rust is never an intentional occurrence, tarnish forms a glowing bronze tone on a few types of metal, and patina is a type of tarnish that usually shows up copper. Some homeowners use paint …

Origin of tarnish 1 1590–1600; < Middle French terniss-, long stem of ternir to dull, deaden, derivative of terne dull, wan < Germanic; compare Old High German tarni, cognate with Old …

Jan 18, 2025 · Tarnish is more than just an aesthetic issue; it can also impact the integrity and longevity of metal items. Understanding the science behind tarnish—ranging from oxidation and moisture to environmental factors like humidity and temperature—is crucial for anyone using or producing alloy metals.