Dictionary

cryogen

noun cryo·gen \ˈkrī-ə-jən\

Definition of CRYOGEN

:  a substance for obtaining low temperatures :  refrigerant —called also cryogenic
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First Known Use of CRYOGEN

1875
Medical Dictionary

cryogen

noun cryo·gen \ˈkrī-ə-jən\

Medical Definition of CRYOGEN

:  a substance for obtaining low temperatures—called also cryogenic

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