Pronunciation: [nˈʌb] (IPA) 
The word "nub" is spelled with three letters: N, U, and B. It is pronounced as /nʌb/ according to IPA phonetic transcription. The letter "N" is pronounced as /n/, followed by the letter "U" pronounced as /ʌ/. The final letter "B" is pronounced as /b/. The word "nub" can be used to refer to a small, rounded or pointed part that sticks out from the surface of an object. Usage of this word dates back to the 17th century.
noun
1. a small, rounded, or blunt part of an object that remains after the main body or bulk has been removed, often referring to a stub-like projection or protuberance.
2. a core or essential part of something; the crux or essence of an issue or matter.
3. a small or insignificant part of a whole; a minor detail or aspect.
4. a knob or button, especially on electronic devices or instruments, used for control or manipulation.
5. (slang) a derogatory term used to refer to a person who lacks intelligence, skill, or competence; a fool or simpleton.
In its literal sense, "nub" often refers to a small protuberant part remaining after the main body or bulk has been removed. This can apply to various objects such as a nub on a bone, a nub of a pencil eraser, or even a nub on a plant stem. Moreover, in a figurative sense, "nub" can represent the core or essential part of something. For example, in a complex discussion or argument, the "nub" refers to the central point or key issue. Additionally, "nub" can also indicate a minor or insignificant part of a whole, an obscure detail or an incidental aspect. In the context of technology, a "nub" can represent a knob or button on electronic devices, used for control or manipulation. The term is also used colloquially as an insult, referring to an unintelligent or incompetent person.
The word "nub" originated from Middle English and has uncertain etymology. It's suggested to possibly derive from Old Norse "gnubba", meaning a lump or knob. Another theory proposes its connection to the Old English word "hnapp", which means a button or a stud. However, the exact origin remains unclear.
