Kryptonite is a fictional material that appears primarily in Superman stories published by DC Comics. In its best-known form, it is a green, crystalline material originating from Superman's …

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The meaning of KRYPTONITE is a substance that causes the comic-book character Superman to become weak when he is exposed to it—often used to describe something likened to …

Kryptonite is the name given to shards of matter that were cast off from the planet Krypton after its destruction.

Aug 11, 2025 · Kryptonite is an irradiated piece of crystal from his homeworld of Krypton, which causes physiological changes to any Kryptonian in close proximity. Like the multiple versions …

Don’t leave the security of your bike to chance! The New York Diamond Standard U-Lock is the pinnacle of the Kryptonite lock portfolio; a lock specifically designed to resist angle-grinder …

Jul 18, 2025 · Kryptonite is a fictional mineral from Superman’s home planet, Krypton. When Krypton exploded, radioactive fragments of the planet were scattered across space. These …

Oct 9, 2023 · Kryptonite is a radioactive ore from Superman's home world, Krypton. Kryptonite usually only affects Kryptonians, and it's one of the only things in DC that can weaken …

Jul 7, 2025 · Here’s our list of the different types of Kryptonite in the DC Comics Universe, along with their effects on Superman and others. It should be noted, this list only includes Kryptonite …

May 29, 2025 · People would first get to know Kryptonite through the popular Adventures of Superman radio serial, in the 1943 episode, “The Meteor from Krypton.” Six years later, …