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.
noun. The word woman is a noun. The word woman is a noun. The definition of a noun is a part of speech that names a person, place, thing, action or quality. 1  An example of noun is a woman.2  An example of noun is the city Paris.3  An example of noun is a table. 4  An example of noun is the act of walking.he definition of a noun is a part of speech that names a person, place, thing, action or quality. 1  An example of noun is a woman. 2  An example of noun is the city Paris. 3  An example of noun is a table. 4  An example of noun is the act of walking.