Longman Dictionary of Contemporary English homepage

Date: 1800-1900
Origin: hematoglobulin 'hemoglobulin' (1800-1900), from hemat- ( HEMATOLOGY) + globulin

hemoglobin

 noun
     
he‧mo‧glo‧bin [uncountable]
x-ref the American spelling of haemoglobin
Definition from the Longman Dictionary of Contemporary English
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