The term washer comes from the French word rondelle. The Royal Spanish Academy (RAE), in its dictionary, recognizes more than a dozen meanings of the concept.
The most common use refers to a mounting part that presents a orifice and lets squeeze screws Y nuts, prevent two elements from rubbing against each other or reinforce the seal of a joint. The washers are small discs with a hole in their center.
According to their characteristics, the washers can be used to increase resistance to a load, as a belay instrument or as a spacer, for example. Another possibility is that the washer is used to isolate a metal screw from an aluminum surface, thus minimizing the corrosion.
The pieces that, in stoves Y kitchens, allow to cover the hearth, they are also called washers. The same happens with the metal or glass plate that, with a hole in the center, is placed in the upper sector of a candlestick to collect what falls from a candle.
The spearsMeanwhile, they had washers on the hilt to protect the hand of the person who carried it. In the navy field, a washer is a device used to prevent water from entering the ports (the window-like openings) of a boat.
There are also several regional uses of washer. Depending on the area, the notion may refer to a border or, in the plural, to a type of Biscuit or to exaggerated ornaments of women’s clothing.