Residue definition and meaning in context with images and visuals
/ˈrez.ɪ.djuː/ (noun)
Definition of residue
- something that is left over or remains after the main part is removed or taken away, remains, dregs, rest, remainder, excess, deposit, filtrate
- remainder of a deceased person’s estate or property after debts or taxes have been paid
Video of residue
Residue in context
When water is heated and boiled in a kettle, the liquid phase transitions into a gaseous state, a process known as evaporation. However, the water itself isn’t entirely pure, and it often contains dissolved minerals and salts. As the water evaporates, these dissolved substances are left behind, forming a residue on the bottom and sides of the kettle.
The composition of this residue can vary depending on the source of the water. Hard water, which contains high concentrations of calcium and magnesium ions, often leaves behind a white, chalky residue. This is primarily due to the formation of calcium carbonate and magnesium carbonate. Soft water, on the other hand, may leave behind a different type of residue, such as iron oxide, which can appear as a reddish-brown stain.
The buildup of residue in a kettle can have several negative consequences. It can reduce the efficiency of heat transfer, leading to longer boiling times. Additionally, the residue can impart an unpleasant taste or odor to the water, making it less palatable. To prevent the buildup of residue, it is important to clean the kettle regularly using a mild detergent or white vinegar.
Antonyms
gist, essence, nucleus, kernel
Parts of speech
Adjective: residual
Adverb: residually
