What are the 3 basic types of rocks? Just as any person can be put into one of two main categories of human being, all rocks can be put into one of three fundamentally different types of rocks. Igneous rocks are crystalline solids which form directly from the cooling of magma.
fodder noun [U]. âº âfood that is given to âcows, âhorses, and other âfarm âanimals.
Fodder is defined as a coarse food given to farm animals. An example of fodder is alfalfa hay. 1  coarse food for cattle, horses, sheep, etc., as cornstalks, hay, and straw.  something, esp. information, that is thought of as being in large supply and, often, inferior, raw or coarse, etc.: promotional fodder in mass media.