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.
Hungry is an adjective it describe the noun I. When there is more than one adjective before a noun they go in a particular order. opinion-size-shape-colour-material + noun. eg A lovely, big, round, blue, cotton dress. Adjectives also allow us to compare things and to show degrees of comparison.