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        | Capable of living at low temperatures |  | 
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        | Of the nature of crystals |  | 
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        | the science dealing with the determination of the freezing points of liquids |  | 
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        | The science that deals with the production of extremely low temperatures |  | 
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        | The science of communicating by using hand signs; sign language |  | 
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        | Having the toes arranged two in front and two behind |  | 
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        | The inscription of the engraver's name on a finger ring or gem |  | 
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        | Winged-fingered, prehistoric flying reptile |  | 
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        | Examination of fingerprints for identification |  | 
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