haemoglobin

hae-mo-glo-bin · noun

imported

Definitions

noun

  1. 1.

    The red protein responsible for transporting oxygen in the blood of vertebrates, contained within red blood cells.

  2. 2.

    A protein molecule in red blood cells that binds to oxygen and carbon dioxide.

Related words

See also: anemia, blood, oxygen
Synonyms: Hb, hemoglobin

Etymology

From Greek haima "blood" + Latin globus "ball, sphere," coined in the mid-19th century. British spelling with ae; American English uses hemoglobin.