intersection

/ˌɪn.təˈsek.ʃən/ (bre, ipa) · /ˌɪn.t̬ɚˈsek.ʃən/ (ame, ipa) · /ˌin-tər-ˈsek-shən especially in sense 1 ˈin-tər-ˌsek-/ (ame, mw)

intersection — 名詞

  • intersectionsingular
  • intersectionsplural

1. the point or place where two lines, paths, or surfaces meet and cross each other

1.名詞B1
釋義

交叉點

兩條線交叉的位置或點

the point or place where two lines, paths, or surfaces meet and cross each other

例句

The two diagonal lines on the page meet at a single point called their intersection.

頁面上兩條對角線交會於一點,稱為它們的交叉點。

prepositional phrase: at the intersection

Quan drew two crossing lines and marked the intersection with a small dot.

Quan 畫了兩條交叉的線,並用一個小點標記交叉點。

同義詞
  • crossing

    more general; can refer to any place where things cross, including roads or lines

  • junction

    more common for roads; less natural for geometric lines

  • meeting point

    describes the same concept but is less technical

2. any point along a street where another road crosses it, usually managed by traff

2.名詞A2
釋義

十字路口

道路交會的地方

any point along a street where another road crosses it, usually managed by traffic lights or road signs

例句

Turn left at the next intersection, and the library will be on your right.

在下一個十字路口左轉,圖書館就會在你的右手邊。

direction-giving context: turn left/right at the intersection

There was a long traffic jam at the intersection of Main Street and Park Avenue.

Main Street 和 Park Avenue 的十字路口發生了嚴重的交通阻塞。

同義詞
  • junction

    broader term; can refer to any point where roads meet, including motorway exits

  • crossroads

    specifically where two roads cross at right angles; more common in British English

  • crossing

    can refer to a pedestrian crossing or a place where roads cross

用法筆記

In everyday conversation, 'intersection' typically refers to a road junction where traffic may flow in different directions. For smaller, uncontrolled road junctions, 'crossroads' is also common in British English.

常見錯誤

Turn left at the cross of the two roads.
Turn left at the intersection of the two roads.
💡'Cross' as a noun does not mean 'intersection'; use 'intersection' or 'crossroads' instead.

3. a situation in which two separate things come together and cross one another

3.名詞C1
釋義

交會

兩物交叉或交會的過程

a situation in which two separate things come together and cross one another

例句

The intersection of the two rivers creates a wide area of calm, slow-moving water.

那兩條河流的交會處形成了一大片平靜緩慢的水域。

pattern: intersection of [noun] and [noun] for physical meeting

Scientists studied the intersection of ocean currents near the coast of New Zealand.

科學家研究了紐西蘭海岸附近洋流的交會情況。

同義詞
  • convergence

    suggests things moving towards each other and meeting; more technical

  • meeting

    simpler and more general; less precise than 'intersection'

  • crossing

    similar meaning but often implies one thing passing over another

反義詞
  • divergence

    the process of moving apart or separating

用法筆記

This sense often appears in figurative or descriptive contexts, describing where two natural or abstract things meet (e.g., rivers, currents, disciplines). It is less common than sense 1 or 2.

4. in mathematics, the set of all elements that belong to each of several given set

4.名詞C1
釋義

交集

兩集合共有元素組成的集合

in mathematics, the set of all elements that belong to each of several given sets

例句

Ms. Chen asked the class to find the intersection of students in choir and band.

陳老師請全班找出同時參加合唱團和樂團的學生的交集。

classroom context: common members of two groups

Zola drew a Venn diagram and shaded the intersection of the three overlapping circles.

Zola 畫了一個文氏圖,並塗黑了三個重疊圓圈的交集區域。

用法筆記

In mathematics, the intersection of two sets is written as A ∩ B. The symbol ∩ is read as 'intersect' or 'cap'. This sense is used mainly in set theory, probability, and logic.