Kryptonite - Wikipedia
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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Kryptonite | DC Database | Fandom
Kryptonite is the name given to shards of matter that were cast off from the planet Krypton after its destruction.
KRYPTONITE Definition & Meaning - Merriam-Webster
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 …
Superman: The Many Types Of Kryptonite & What They Do - CBR
Aug 11, 2025 · Kryptonite is an irradiated piece of crystal from Superman's homeworld that causes physiological changes to any Kryptonian in close proximity.
Different Types of Kryptonite Explained - Live to Plant
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 …
All the Kryptonite types and their effects on Superman explained
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 …
Crushed by Color: A Kryptonite Catalogue - DC
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, …
Scientists Have Found Earth’s Real-Life Kryptonite — and It Could …
Jun 20, 2025 · Kryptonite is famously known as Superman’s Achilles’ heel: the only material in the universe that can strip him of his superpowers. Originating from Krypton, Superman’s home …
The History of Kryptonite - Kandor Archives
Kryptonite was reintroduced in Superman #1 (January 1987) by John Byrne. After locating the Kryptonian birthing matrix, Professor Emmet Vale discovers a glowing green meteorite.