nonheme

adjective
non·heme | \ˌnän-ˈhēm \

Definition of nonheme 

: not containing or being iron that is bound in a porphyrin ring like that of heme nonheme iron nonheme proteins

First Known Use of nonheme

1950, in the meaning defined above

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The first known use of nonheme was in 1950

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nonheme

adjective
non·heme
variants: or chiefly British nonhaem \ˈnän-ˈhēm \

Medical Definition of nonheme 

: not containing or being iron that is bound in a porphyrin ring like that of heme the ferredoxins are nonheme iron proteins

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