Roughly speaking, the credit amount is the difference between the AMT computed with and without the deferral item of preference. If you were unfortunate enough to have been affected by the alternative minimum tax (AMT) in a prior year, then you may have a carryover of an unused minimum tax credit.
Freebase(1.00 / 1 vote)Rate this definition: Vulgarity is the quality of being common, coarse, or unrefined. This judgement may refer to language, visual art, social classes, or social climbers.
The meaning of vulgarism we deal with in this article is obscure, and I'm guessing it's not the first definition in any major dictionay. As for the article itself, it is written pedantically, and pretentiously, and is not proper for Wikipedia.