application or intradermal injection of a substance to the skin to test the body's reaction to it. Such a test detects an animal's sensitivity to such allergens as dust and pollen, or to preparations of microorganisms believed to be the cause of a disorder.
A direct relationship graph is a graph where one variable either increases or decreases along with the other. The general equation for a direct relationship graph is y = mx + b, where y denotes the...
â¢ INDIRECT CORRELATION (noun). The noun INDIRECT CORRELATION has 1 sense: 1. a correlation in which large values of one variable are associated with small values of the other; the correlation coefficient is between 0 and -1. Familiarity information: INDIRECT CORRELATION used as a noun is very rare. Dictionary entry details.