vertical axis

[/ˈvɜːrtɪkəl ˈæksɪs/]
nounpl: vertical axes
eixo vertical
1. A line or reference line that runs perpendicular to the horizon, extending upward and downward from a central point, typically used in mathematics, engineering, and science to represent the y-coordinate in a two-dimensional Cartesian coordinate system.
In a standard graph, the vertical axis represents the dependent variable.
Em um gráfico padrão, o eixo vertical representa a variável dependente.
2. An imaginary or physical line around which something rotates or is symmetrically arranged.
The vertical axis of the spinning top determines its stability.
O eixo vertical do pião determina sua estabilidade.
3. In engineering and physics, a line or shaft that is oriented vertically and serves as a reference or rotating component.
The wind turbine rotates around its vertical axis.
A turbina eólica gira em torno de seu eixo vertical.
This is a technical term widely used in educational, scientific, and engineering contexts across both Brazil and the United States. It is fundamental to understanding mathematics and data visualization globally. The term is used identically in both Portuguese-speaking and English-speaking countries without significant regional variation in meaning.
Synonyms / Sinônimos
y-axisvertical lineordinateheight axis
Antonyms / Antônimos
horizontal axisx-axislateral axis

Regional Variations

General Brazilian
eixo vertical
Standard term used in mathematics, engineering, and physics
Rio de Janeiro
eixo vertical
Same as general Brazilian Portuguese
São Paulo
eixo vertical
Same as general Brazilian Portuguese, common in technical contexts
Portugal
eixo vertical
Same term used, though may also hear 'eixo das ordenadas' for y-axis

Related Words

coordinate systemCartesian planeaxis of rotationvertical alignmentperpendicularsymmetry

Related Idioms & Phrases

up and down the vertical axis
along the vertical axis
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