The spelling of the word "ferrule" may seem curious at first. It is pronounced /ˈferəl/ with the stress on the first syllable. The "ferr-" part may remind you of the metal "iron" or "ferrum" in Latin, which is where the word comes from. However, the second syllable "-ule" may be unfamiliar. It comes from the Latin diminutive suffix "-ulus," meaning "small." So, a "ferrule" is a small metal band or sleeve that reinforces the end of a tool or protects a cable from damage.
A ferrule is a small, often metal, cylindrical device used for a variety of purposes. Typically, it consists of a hollow tube or sleeve, often with a flanged or threaded end. The term "ferrule" is derived from the Latin word "ferrum," meaning iron. While originally made from iron, ferrules are now commonly constructed from materials such as brass, stainless steel, or plastic.
In various contexts, ferrules serve to reinforce or protect the ends of objects, particularly those made of wood, metal, or plastic. For instance, in carpentry or woodworking, ferrules are used to strengthen the connection between wooden handles and tools such as hammers or brushes. They are often fitted over the end of the handle and secured with glue or screws to prevent splitting or wear.
Ferrules are also prevalent in the realm of plumbing and electrical work. In these fields, they are used to reinforce or insulate joints where pipes, tubes, or wires meet. By providing a tight, secure seal, ferrules help prevent leaks, improve structural integrity, and reduce the risk of electric shock or short circuits.
The term "ferrule" can also refer to a decorative metal or plastic cap used as a finishing touch on the end of a cord or cable. These caps often serve to protect the cord from fraying, enhance appearance, or facilitate connections to other devices or fittings.
Overall, whether it be for reinforcement, protection, or aesthetic purposes, ferrules play a crucial role in various industries and applications, ensuring the durability, safety, and functionality of connected objects.
In dentistry a metal cap or band covering or encircling the crown or root of a tooth.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
• A ring of metal put about the end of a staff, &c., to keep it from splitting.
• See ferrel.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
* The statistics data for these misspellings percentages are collected from over 15,411,110 spell check sessions on www.spellchecker.net from Jan 2010 - Jun 2012.
The word "ferrule" comes from the Latin word "viriola", which means "little bracelet" or "small metal ring". This evolved into the Old French word "verrel" or "ferrule", referring to a metal ring or cap used to secure the handle of a tool or implement.