vein

/veɪn/ (bre, ipa) · /veɪn/ (ame, ipa) · /ˈvān/ (ame, mw)

vein — noun

  • veinsingular
  • veinsplural

1. one of the tubes in your body that carries blood toward the heart.

1.名詞B1
釋義

one of the tubes in your body that carries blood toward the heart.

例句

The nurse found a vein in Gabriel's arm and gently inserted the needle.

collocation: find a vein / insert a needle

Sayaka's hands were so cold that the veins on the back of them looked blue.

同義詞
  • blood vessel

    the general term for any tube that carries blood, including veins, arteries, and capillaries

  • vena

    the formal medical term for a vein, used in anatomical contexts

反義詞
  • artery

    carries oxygenated blood away from the heart, whereas a vein carries blood toward the heart

用法筆記

Commonly contrasted with 'artery': veins carry blood toward the heart, while arteries carry blood away from it. The phrase 'deep vein thrombosis' (DVT) is a common medical term. Blood for tests is usually taken from a vein, not an artery.

常見錯誤

The doctor took blood from my artery.
The doctor took blood from my vein.
💡Blood samples are drawn from veins, not arteries, because veins carry blood at lower pressure.

2. one of the slender lines that form a branching pattern on a leaf blade or across

2.名詞B2
釋義

one of the slender lines that form a branching pattern on a leaf blade or across an insect's wing.

例句

The veins of a maple leaf spread outward from the stem like tiny fingers.

collocation: veins of a leaf

Rania examined the delicate veins of the dragonfly's wing under a microscope.

technical vocabulary: insect wing veins

同義詞
  • rib

    used for the thicker supporting veins of leaves and insect wings

  • nerve

    older term for leaf vein, still used in some botanical contexts

  • venation

    the collective noun for the vein pattern of a leaf or wing

用法筆記

In botany, the main vein is called the 'midrib' or 'primary vein.' In entomology, the pattern of wing veins is often used to identify insect species.

3. a deposit of valuable minerals, such as gold or silver, that occupies a narrow o

3.名詞B2
釋義

a deposit of valuable minerals, such as gold or silver, that occupies a narrow opening inside solid stone.

例句

The miners discovered a rich vein of silver deep inside the mountain.

collocation: rich vein of [mineral]

Camila's grandfather spent years searching for a vein of gold in the nearby hills.

同義詞
  • lode

    a larger, more extensive mineral deposit than a vein

  • seam

    a thin layer of mineral, especially coal, between layers of rock

用法筆記

In geology, 'vein' specifically refers to a mineral deposit that has filled a fracture or crack in the surrounding rock. The related term 'lode' means a larger, more extensive deposit.

4. an underlying quality or tendency that is a lasting part of someone's character

4.名詞B2
釋義

an underlying quality or tendency that is a lasting part of someone's character or the nature of something, rather than a temporary mood.

例句

Saira's wedding speech had a warm vein of humour that kept everyone smiling.

collocation: a vein of humour

The editorial about the new policy had a strong vein of political criticism in every paragraph.

同義詞
  • streak

    a more informal word for a noticeable personality trait, e.g. 'a mean streak'

  • strain

    suggests a quality that runs through something, similar to 'vein' but slightly more formal

  • thread

    a continuing element running through a story or argument

用法筆記

This sense often uses the construction 'a vein of [quality]' to describe an underlying trait. It is similar to 'streak' or 'strain' — compare 'a stubborn streak' and 'a vein of stubbornness.'

5. a temporary mood, style, or manner of expression that applies to a particular pi

5.名詞B2
釋義

a temporary mood, style, or manner of expression that applies to a particular piece of writing, speech, or performance.

例句

After the breakup, Reuben wrote several poems in a sad, reflective vein.

fixed phrase: in a ... vein

The comedian continued his jokes in the same light-hearted vein for an hour.

fixed phrase: in the same vein

同義詞
  • style

    a broader term that can describe both permanent and temporary ways of expression

  • manner

    a particular way of doing something, more neutral than 'vein'

  • mood

    the emotional tone, closer to the temporary aspect of 'vein'

用法筆記

Very common in the fixed expression 'in the same vein' (in the same style). Also used with descriptive adjectives: 'in a more serious vein,' 'in a similar vein,' 'in a lighter vein.'

常見錯誤

She spoke in a same vein.
She spoke in the same vein.
💡The fixed phrase uses 'the' not 'a.'
The speech continued in this vein for hours' can sound unnatural if overused.
The speech continued in this style
💡Use 'vein' for a temporary mood or manner, not a permanent characteristic.

vein — verb