Which term defines something that protrudes, such as a knob or bulge?

The term that defines something that protrudes, such as a knob or bulge, is "protuberance." This word is specifically used to describe an object that sticks out or is bulging from a surface. In various contexts, such as anatomy, geology, or everyday objects, a protuberance is characterized by its noticeable extension from the surrounding area, making it distinct.

Understanding the word's application is important; for example, in anatomy, a bone's protuberance might serve as a landmark for muscle attachment or for identifying regions on the body. The specificity of "protuberance" aligns well with the question, as it conveys a clear image of something that is more than just slightly raised or extended, but is noticeably and prominently so.

The other terms, while they may relate to protruding objects in some contexts, do not encapsulate the specific definition as effectively. "Protrusion" generally refers to the act of sticking out rather than the form itself. "Projection" often implies an extension or a shape that is thrust forward but may not have the same connotation of a rounded or bulbous form. "Exaggeration" refers to the act of making something seem larger or more significant than it is, which