hemoglobin
Hemoglobin (noun) means the iron-rich protein in red blood cells that carries oxygen from the lungs to the rest of the body. Example: “Low hemoglobin levels can be a sign of anemia.”
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.
Word forms
- Plural
- hemoglobins
Fill the gap
Can you complete this real example?
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.