名詞 debenture:

1. a bond that is backed by the credit of the issuer but not by any specific collateral
   同義詞：unsecured bond, debenture bond
2. a certificate or voucher acknowledging a debt

de.ben.ture

n.Abbr. deb.（名詞）縮寫 deb.
A certificate or voucher acknowledging a debt.
借據(jù)：說明已收到欠款的證明或憑據(jù)
An unsecured bond issued by a civil or governmental corporation or agency and backed only by the credit standing of the issuer.
公司債券：由國家或政府的公司或機(jī)構(gòu)發(fā)行的無擔(dān)保的債券，以發(fā)行者的信譽做保障
A customhouse certificate providing for the payment of a drawback.
退稅憑單：允許支付退稅的海關(guān)證明

來源：
Middle English debentur
中古英語 debentur
from Latin dôbentur [they are due (probably the first word appearing on certificates of indebtedness)] [third person pl. passive of] dôbôre [to owe] * see ghabh-
源自 拉丁語 dôbentur [ 他們負(fù)債了（也許是首次出現(xiàn)在欠債憑據(jù)上的單詞）] [] dôbôre的被動語態(tài)動詞第三人稱復(fù)數(shù) [欠] *參見 ghabh-