society > trade and finance > stocks and shares > stocks, shares, or bonds > [noun] > bond > debenture > types of (4)
a security for money lent on behalf of the army.
A bond issued by a corporation or company (under seal), in which acknowledgement is made that the corporation or company is indebted to a…
Incapable of being redeemed or bought back.
Anything that is irredeemable; spec. an irredeemable debenture.