nixtamalization
A process that has to do with softening corn using lye and limestone, and has been in practice for thousands of years. During this process, corn kernels separate from the hull and soften and grow in size. The end result is hominy.
A better version of corn.
Nutritionally, it's pretty similar to corn. What makes it a better version of corn is the nixtamalization process which helps release more of its nutrients—niacin, or vitamin B3, gets separated from the corn so that it can be digested more easily.
white and yellow hominy
You can find canned hominy at the grocery store, or buy it dried and cook it like beans (despite the fact that it isn't actually a bean). Note that you might encounter both white and yellow hominy, the latter of which tends to be sweeter.