A bond that is issued at a deep discount from its value at maturity and pays no interest during the life of the bond; the commonest form of zero-coupon security WordNet 3.0 & Open English WordNet

A zero-coupon bond is a bond in which the face value is repaid at the time of maturity. Wikipedia

A bond where the face value is repaid at the time of maturity. Wikidata

A bond (e.g., corporate debenture or government debt) that has no coupon (i.e., pays no interest), during the life of the issue. Such a bond is initially sold at a discount to its face value. The rate of return to the holder is derived from the gradual appreciation as the security moves toward maturity. Wiktionary

Bond that has no coupon. Wiktionary (translation)