IPA: /ˈlɛŋθənər/
KK: /ˈlɛŋθənər/
A person or object that makes something longer.
The lengthener was used to extend the cable for the project.
Lengthener → It is formed from "length" (from Old English "length", meaning the measurement of something from end to end) and "-en" (a suffix used to form verbs indicating to make or become). The word "lengthener" means to make something longer or to increase its length.
Think of the word 'length' which refers to how long something is, and the suffix '-en' means to make. So, a lengthener is something that makes something longer.