Hemoglobin Meaning
/ˌhimoʊˈɡloʊbɪn/Definition, CEFR level C1, pronunciation, examples, and quiz.
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Definition
nounThe iron-containing substance in red blood cells that transports oxygen from the lungs to the rest of the body; it consists of a protein (globulin), and haem (a porphyrin ring with an atom of iron at its centre).
Sentence Examples
The tests confirmed that she has low blood pressure and low hemoglobin.
CEFR Practice Quiz
Red blood cells contain ____, which carries oxygen throughout the body.
CEFR Practice Quiz (Alternate)
The main function of ____ is to transport oxygen from the lungs to the rest of the body's tissues.
Word Origin & History
Originally hematinoglobulin, from hematin (from Ancient Greek αἷμα (haîma, “blood”) + -in) + -o- + globulin (from Latin globus (“ball, sphere”) + -in).
Explore More C1 Vocabulary Words
CEFR Practice Quiz
Red blood cells contain ____, which carries oxygen throughout the body.
CEFR Practice Quiz (Alternate)
The main function of ____ is to transport oxygen from the lungs to the rest of the body's tissues.