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vertical line

American  
[vur-ti-kuhl lahyn] / ˈvɜr tɪ kəl ˈlaɪn /

noun

plural

vertical lines
  1. a line that is perpendicular to the base of a surface or plane. Compare horizontal line.

  2. Mathematics. a line whose points all have the same horizontal coordinate.


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

It’s an altered portable television set, stood on its side, with nothing but a bright white vertical line shining on its screen.

From The Wall Street Journal • Oct. 18, 2025

At one point, he seems to become a marionette: the vertical line of the microphone stand dividing him in two, with gyrating arms and legs seemingly independent of each other.

From Seattle Times • Sep. 19, 2023

Michael Moore, a researcher at the Wood Hole Oceanographic Institution in Massachusetts, said the whales’ unexpected arrival in the Gulf of St. Lawrence showed how vertical line fishing everywhere might eventually have to adjust.

From Reuters • Jun. 7, 2023

The left hip arcs grandly, while the right one nearly disappears into a vertical line.

From New York Times • Apr. 20, 2023

The observer’s path through space and time is shown as the vertical line on the left.

From "A Brief History of Time: And Other Essays" by Stephen Hawking