Barnacle (slang) in the field in order to correct a design or manufacturing defect. The term appears to have originated from the crustacean barnacle which is an animal that attaches itself to rocks, docks, ships, whales, and other objects where it grows. A barnacle in electronics is something added to the manufactured product. Typically a barnacle on a circuit board is very noticeable, much like the mollusc variety on a rock in the sea. While the term was originally used with electronic hardware, it has also migrated into the software industry where is it is used to describe software that is added
Barnacle (slang) so in this case the use of a barnacle is an economic decision. The barnacle work may be done in the field using portable tools and components or it may require a product recall with the barnacle work being done on the manufacturing floor. Barnacle (slang) The word barnacle is a slang term used in electrical engineering to indicate a change made to a product on the manufacturing floor that was not part of the original product design. A barnacle is typically used to correct a defect in the product or as a way of enhancing the product with new