Did you maybe mean adamantine?
Definitions
Wiktionary
- n. A fictional metal that is indestructible or nearly so.
- adj. Made of adamantium.
Etymologies
- From adamant + -ium. (Wiktionary)
Examples
“The adamantium was a surgical augmentation according to all the series i read, and not a mutant power.”
VOTD: Why Buying Wolverine’s Mutant Powers Might Be a Bad Idea | /Film
“It's an agonizing operation that injects a substance called adamantium into his skeleton.”
“While perhaps best known for his skeleton and retractable claws fused with indestructible "adamantium," Wolverine is also a mutant with a "healing factor" power that allows him to heal from injuries, disease and toxins at an astonishing rate.”
“X-Men fans, is also the basis for "adamantium," the fictional alloy in Wolverine's body.”
“Deflecting bullets with Logan's newly acquired adamantium claws was helpful -- and fun -- and we found his spinning attacks worked nicely in the cramped hallways.”
“In a plot line that parallels and expands on the origin story from the upcoming summer blockbuster, you'll follow Logan as he hops around timelines, from the pre-adamantium days to his time doing black-ops missions for Weapon X and dealing with his relationship with Victor Creed (aka Sabretooth).”
“Then I stab the mirror with my adamantium claws, shattering it into a million pieces.”
“In point of fact, Wolverine is highly resistant to bullets; his adamantium-laced exoskeleton prevents a lot of serious organ damage.”
“I can suspend my disbelief for men who unsheathe adamantium claws through their knuckles and aliens who spit acid and Tina Fey as a frumpy mess with no sex appeal well, I have trouble with that last one.”
“Ecocomics is a blog that looks at the economic ramifications of comic book plots, covering supernatural disaster insurance and how the Canadian government can afford all that adamantium they keep sticking in their super soldiers.”
Lists
These user-created lists contain the word ‘adamantium’.
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Substancestry
Mysterious and theoretical substances and "stuff" of legend. More emphasis on the ancient, mystical, mythical, folklore, mathematical, and scientific. I won't be listing too many "sci-fi" or comed...
ylem, ichor, aether, ectoplasm, impossible object, quark star, eucharist, pixie dust, eitr, elixir of life, philosopher's stone, alkahest and 126 more...
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Words build meanings from origins( et...
These come from gamma meditation ,I think.
discursive, exogenous, machinations, purportedly, sumptuous, congruity, cantankerous, incongruous, festoon, hessian, ratiocinative, stratigraphic and 2046 more...
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Philosophic , etymology
every major discipline has uniquely developed esoteric nomenclature to facilitate interdisciplinary dissemination
quale , qualia, elegy, tacet, lexicon, annunciate, caste, eros, contrive, purlicue, irony, venacular, dilapidate and 567 more...
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Super Geeky Word List
as a techie, I run across nerd words.
brane, polyamide, phb, PHB, BOFH, redditor, grammar nazi, phaser, trending, SPOILER ALERT, surface mount, FMEA and 73 more...
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Neuro-logical ??
The discovering of neuro and phago-cyte nano-engineered biology...
opsoclonus, opsomania, speciefic, opsonin, reveal, parsec, stereopsis, scarious, ablative absolute, presage, requisitory, nuance and 58 more...
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reginaterra's Words
purl, blow, squish, andean, generality, adaptation, lush, pack, filter, acquiesce, abstraction, sweet and 508 more...
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kevincooper's Words
prosopopeia, lisle, magisterial, zeitgeist, zeugma, bloviate, apocryphal, bon mot, cacophony, euphony, brigandier, micturition and 313 more...
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Czech_Hedgehog's Words
calyx, necrotic, aposematic, floccinauccinihil..., solitude, metanoia, katana, mediocre, trafalgar, eosinophil, deviant, the and 47 more...
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Science Fiction Double Feature
cyberpunk, postcyberpunk, sci-fi, steampunk, techsploitation, dystopia, transhumanism, posthuman, future, skiffy, comlink, transmogrifier and 38 more...
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Technical Terms for Fictional Concepts
A thing doesn't have to be real to develop its own scientific jargon.
metahuman, empath, teleportation, telepathy, telekinesis, somatic component, material component, verbal component, healing factor, narrativium, thaumometer, thaum and 15 more...
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What superheroes are made of
Or, sci-fi invented elements
Tweets
Looking for tweets for adamantium.

whichbe A fictional metallic or crystalline material which has seen extensive use in comics, cartoons and video games. In its classical form, adamantium refers to any unbreakable or impenetrable object. However most commonly, adamantium is used as the name of an invulnerable fictional element or substance. (Wikipedia) May 23, 2008
seanahan see adamantine, a "real" word. Oct 18, 2007
arby This may be my favorite sci-fi fake element, but I'm curious to see others. Oooh! *makes list* Oct 17, 2007