Only by being aware of the four varieties of comparative analysis can the researcher. exploit its possibilities to the full. 2. Environmental regulation We now illustrate the above arguments from the field of environmental regulation, considering in turn arguments about national and local patterns.
The noun form of the adjective 'warm' is warmth.    The noun 'warmth' is an abstract noun as a word for a  kind and friendly quality.   The noun 'warmth' is a concrâ¦ete noun as a word for a  physical sensation of heat.
The heat from this cup of hot water produces steam. noun. The definition of heat is a form of energy that causes a difference in temperature, or the perception of warmth. An example of heat is hot water. Heat is defined as to add warmth to something. An example of heat is bringing a kettle of water to a boil.