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 shifting meanings of vulgarism are just an introduction to the phenomenon, which is what makes an encyclopedia something more than a dictionary. If this is still just an expanded dicdef it's not doing its job yet.