Debenture stock is an investment instrument that represents long-term debt issued by a company or a government entity. The term 'debenture stock' is often used interchangeably with other financial instruments such as bonds, notes, and fixed-income securities. Other synonyms for debenture stock include 'debentures,' 'loan stock,' and 'convertible bonds.' Debenture stock holders receive interest payments at regular intervals while their investment principal is repaid at maturity. Debenture stock is a popular investment option for investors who are seeking stable returns and prefer a fixed-rate of interest. Investors should research and compare different types of debenture stock before making any investment decisions.