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vein
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- pronunciation:
- veIn
- features:
- Homophone Note, Word Explorer
| part of speech: |
noun |
| definition 1: |
A vein is one of the small, natural tubes inside the body that carry blood to your heart. Veins look blue in color. Sometimes you can see them under people's skin.
If blood is red, why do veins look blue? That's because the blood that veins carry doesn't have oxygen in it. It's the oxygen in blood that makes blood red. Your lungs take air into your body, and the oxygen in the air gets taken into your blood. This makes the blood red. Your heart takes that red blood from the lungs and pumps it out into your body. Then your body uses all the oxygen in the blood, and this blood goes back to your lungs through your veins. When the blood gets to your lungs, it's ready to get oxygen and turn red again.- similar words:
- artery, canal, vessel
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| definition 2: |
The thin lines that form the structure of a leaf or insect wing are called "veins."
Sofia tore away the green parts of the leaf until only the veins showed.- similar words:
- canal, line
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| definition 3: |
In rock, a vein is a layer of a certain type of rock.
A new vein of silver was discovered in the mine, and everyone was excited.- synonyms:
- deposit
- similar words:
- bed, streak
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| related words: |
humor, mood, vessel |
| derivations: |
veinal (adj.), veinless (adj.), veinlike (adj.) |
The words vein, vain, and vane sound alike but have different meanings.
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