noun
hemoglobin
hee-muh-GLOH-bihn
noun
1
The iron-rich protein in red blood cells that carries oxygen from the lungs to the rest of the body.
"Low hemoglobin levels can be a sign of anemia."
"Hemoglobin is what gives blood its red color."
How to Use Hemoglobin
Learner’s notesIn plain EnglishThe molecule in red blood cells that grabs oxygen in the lungs and delivers it around the body.
Common pairings
hemoglobin levels
low hemoglobin
hemoglobin count
Word Forms
hemoglobins plural
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Low _____ levels can be a sign of anemia.
Etymology
Built from hematin (from Greek haima, "blood") plus globulin, a type of protein — describing a protein built around a blood-pigment core.