open account

English Thesaurus

1. an unpaid credit order (noun.communication)

hypernym	:	bill-me order, credit order,
definition	:	an order that is received without payment; requires billing at a later date (noun.communication)

2. credit extended by a business to a customer (noun.possession)

hypernym	:	charge account credit, open-end credit, revolving credit,
definition	:	a consumer credit line that can be used up to a certain limit or paid down at any time (noun.possession)

hyponym	:	revolving charge account,
definition	:	a charge account that does not have to be paid to zero balance (noun.possession)