Super Finance Glossary Over 10,000 financial glossary terms... Browse by Letter: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Or Enter Search Term: By Author: All Sources Campbell Harvey Internal Revenue Service Finance Globe FDIC Snow Gold CFTC U.S. Census Bureau Search Tips Bank Discount Basis Source Bank Discount BasisDefinition: A convention used for quoting bids and offers for Treasury bills in terms of annualized yield, based on a 360-day year.