Did you perhaps mean krypton?
- n. The one weakness of something or someone that is otherwise invulnerable, an Achilles' heel.
- From a fictional radioactive element, kryptonite, that has a detrimental effect on the otherwise invulnerable character Superman. Apparently formed as krypton + -ite. (Wiktionary)
“DC owns other elements like Superman’s ability to fly, the term kryptonite, the Lex Luthor and Jimmy Olsen characters, Superman’s powers and expanded origins.”
“DC Comics and Warner Brothers will retain rights toother elements like Superman’s ability to fly, the term kryptonite, the Lex Luthor and Jimmy Olsen characters, Superman’s powers and expanded origins.”
“(As Larry Elder would say, facts are to liberals what kryptonite is to Superman.)”
“The "bad" Superman created by the red kryptonite is the incarnation of Superman's buried resentments at having to be Superman all the time.”
“Occasionally getting caught in kryptonite traps or other traps making her powerless.”
“His kryptonite is Captain Liberty, the government’s number one weapon on the battle against supervillains.”
“~ Scientists find mineral just like Superman's 'kryptonite' -- "A newly-found mineral contains the same elements described in the fictional kryptonite used by the enemies of comic-book and film superhero "Superman," a scientist said Tuesday.”
“In a recent episode, Penny won a psychological battle with the help of Leonard, who revealed his roommate's "kryptonite": fear of his mother.”
“Not to belabor the point because it's a moot discussion at this point, but MJ didn't have a "kryptonite" flaw.”
“Logic, economic comfortability, educated persons are "kryptonite" to them.”
These user-created lists contain the word ‘kryptonite’.
List of plant names (common or scientific) that go trippingly off the tongue, are fun to contemplate, expose the wit of the namer, or just plain befuddle.
tongueshape mudmi..., glandular maiden ..., jeweled maiden fern, stately maiden fern, hairy maiden fern, downy maiden fern, widespread maiden..., turkey tangle fog..., yankeeweed, clitoria fragrans, clitoria mariana, tall tumblemustard and 261 more...
Words that sound like they might be the names of elements of the periodic table, but that aren't. Many of the words listed here were actually proposed as names for substances their creators thought...
Look, up in the dictionary! It's words coined in or popularized by Superman comics and other media.
Interesting gene names
words relating to the TV show Smallville (the early years of Clark Kent!)
Or, sci-fi invented elements
Looking for tweets for kryptonite.