fuel cell. (physical chemistry). An electrochemical device in which the reaction between a fuel, such as hydrogen, and an oxidant, such as oxygen or air, converts the chemical energy of the fuel directly into electrical energy without combustion.
The word 'soup' is a noun, a common, concrete noun; a word for a thing. The word 'soup' also functions informally as a verb for the term to 'soup up', to change something inâ¦ order to make it faster or more powerful or effective. 2 people found this useful.
Confidence votes 94.8K. A general noun is a word for a non-specific person, place, or thing. Examples of general nouns: A specific noun is a word for a specific person, place or thing. Examples: 1  parent. 2  city. 3  apple. 4  father.