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. n. 1. (Agriculture) bulk feed for livestock, esp hay, straw, etc. 2. raw experience or material: fodder for the imagination.
Definition of tinder. 1  1 : a very flammable substance adaptable for use as kindling. 2  2 : something that serves to incite or inflame that rhetoric was ready tinder for revolution â Margaret Peters.