The word "geartooth" is a noun that refers to the teeth of a gear. Synonyms for this word might include "gear cog," "gear wheel," "gear sprocket," or simply "gear tooth." Depending on the context in which the word is used, other possible synonyms might include "geartrain," "power transmission," "mechanical energy," or even "gear mechanism." In engineering and mechanic disciplines, the term is often used in reference to the design and function of a variety of gears. Regardless of the specific synonym used, geartooth is a critical element in the development of many mechanical devices and technologies.