What is another word for bolt-on?
Pronunciation: [bˈə͡ʊltˈɒn] (IPA) 
The term "bolt-on" often refers to a component or accessory that can be added to an existing piece of machinery or equipment without having to modify it significantly. Some synonyms for "bolt-on" include attachable, modular, add-on, detachable, and affixable. "Attachable" and "detachable" imply that the component can be easily added or removed from the main item. "Modular" suggests that the component is part of a larger system that can be broken down into smaller parts. "Add-on" refers to something that can be simply added to a larger structure, while "affixable" implies that the component can be securely fastened in place.
