vertical line

American  

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

noun

• vertical lines
  plural

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.

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Other Word Forms

Noun Inflected Forms

• vertical lines
  plural

Example Sentences

See Examples For:

vertical line

For decades, mathematicians have tried to prove the Riemann hypothesis, which says that 100% of the nontrivial zeros of the Riemann zeta function fall on a single vertical line.

From The Wall Street Journal ● Aug. 15, 2026

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

Those further south, including southern Europe or closer to the equator, are more likely to be able to see all the planets appear in a vertical line up into the sky.

From BBC ● Dec. 29, 2022

B is two dots in a vertical line.

From "All the Light We Cannot See" by Anthony Doerr