from The Century Dictionary.

  • In lithology, noting the mineral constituents of a rock when they are bounded by planes not formed as the result of their own molecular structure, but the result of their contact with other minerals also forming constituents of the same rock, which having crystallized first have impressed their form on those adjacent to them: the counterpart of idiomorphic. Also called allotriomorphic.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective noting or pertaining to a mineral grain that does not have its characteristic crystalline form but has a form impressed on it by surrounding grains; anhedral
  • adjective in an unusual form; having a strange form


from Wiktionary, Creative Commons Attribution/Share-Alike License

xeno- + -morphic


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  • First designed by H.R. Giger in 1979, the menacing star of the Alien series is a unique xenomorphic being.

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  • Now turn those vicious xenomorphic monsters back into what they were . . . something to carve a swath through hapless humans in true horror fashion, instead of just duking it out with each other like some kind of horrific version of Rock-Em-Sock-Em Robots.

    EXTRALIFE – By Scott Johnson - Ridley Scott working on a Aliens Prequel? 2009

  • Wisely, she completely shaved it all off for Alien 3, but perhaps she could have fared better with the aliens has it been intact, as those fleeting xenomorphic creatures were probably scarred shitless when originally confronted with that killer perm creation.

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  • She debated between creating something sleekly high-tech or something eerie and xenomorphic; the latter won out, and I couldn't be happier with the result.

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  • And here's a rather xenomorphic jellyfish that caught my eye.

    Archive 2006-10-01 Mac 2006

  • To wit: you can usually bank on them to win but they're seldom going to get your xenomorphic pecker up while they do it.

    Evening Standard - Home Dan Jones 2011

  • Paulson stepped forward with some xenomorphic adaptation of a communist-fascist voting against this egregious legislation might put his

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  • First designed by H. R. Giger in 1979, the menacing star of the Alien series is a unique xenomorphic being.

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  • The Hunter Edition, available for PS3 and Xbox 360, is chock full of xenomorphic goodness.

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