Wielki słownik angielsko-polski red. nacz D. Jemielniak, M. Miłkowski

finanse obligacja niezabezpieczona;

Wordnet angielsko-polski

(the ability of a customer to obtain goods or services before payment, based on the trust that payment will be made in the future)
skrypt dłużny, oblig
synonim: debenture
synonim: debenture bond