Deficiency(redirected from plasma thromboplastin antecedent deficiency)
Also found in: Dictionary, Thesaurus, Medical, Financial, Encyclopedia.
A shortage or insufficiency. The amount by which federal Income Tax due exceeds the amount reported by the taxpayer on his or her return; also, the amount owed by a taxpayer who has not filed a return. The outstanding balance of a debt secured by a mortgage after the mortgaged property has been sold to satisfy the obligation at a price less than the debt.