The term 'cold' refers to the fact that you haven't laid any groundwork for your call. If you are calling prospects who have already shown an interest in your products, such as a prospect who fills out a postcard or website request for information, then it's referred to as 'warm calling.'.
Refutation is the act of proving something wrong or false. An example of a refutation is the argument that reverses a court decision. 1  the act of refuting, or proving false or wrong; disproof. 2  something that refutes, as an argument.
Usage Note: Traditionally, the verb refute has two meanings. The first is to prove to be false or erroneous, as in Charges of institutional bias against women were refuted by an analysis of the employment data. In this example, it is clear that an argument was mustered to demonstrate the falsity of the charges.