What is this part of a graph on the axis called?

• B
• iantresman
In summary, the "zigzag" mark on the Y-axis of a graph that represents a discontinuity is commonly referred to as an axis break or scale break. Other names for it include caesura and the "Tresman mark". A variety of symbols can be used to indicate an axis break, such as a squiggle, a Z, or slanted parallel lines. A quick Google search for "graph axis break symbology" can provide further examples.
iantresman
TL;DR Summary
What is the zigzag mark on the axis of a graph called?
On this graph on the Y-axis just above the origin is a "zigzag" mark (highlighted with the red circle) which represents a discontinuity as the value of Y jumps from 0 to 130. Does this mark have a formal name?

No.

DaveC426913
An axis break can be indicated using a variety of symbols, a squiggle, a Z, slanted parallel lines, etc. If you Google "graph axis break symbology", you can see a variety of symbols used.

iantresman
iantresman said:
Summary:: What is the zigzag mark on the axis of a graph called?

Does this mark have a formal name?
I believe it is now called the "Tresman mark".

iantresman and DaveC426913
iantresman, mcastillo356 and berkeman
berkeman said:
I believe it is now called the "Tresman mark".
Nope. It's direct current resistance.

berkeman
fresh_42 said:
No.
Oh. This was less funny than I thought it was.

I thought you were saying "It's called the nope".

FactChecker said:
This was a fruitful search.

It yielded axis break and scale break. Also caesura.

iantresman, fresh_42 and berkeman

1. What is the x-axis on a graph?

The x-axis on a graph is the horizontal line that represents the independent variable or the variable that is being manipulated or controlled in an experiment. It is typically labeled with the units of measurement for the independent variable.

2. What is the y-axis on a graph?

The y-axis on a graph is the vertical line that represents the dependent variable or the variable that is being measured or observed in an experiment. It is typically labeled with the units of measurement for the dependent variable.

3. What is the purpose of the x-axis on a graph?

The purpose of the x-axis on a graph is to provide a visual representation of the independent variable and its values. This allows for the relationship between the independent and dependent variables to be easily observed and analyzed.

4. What is the purpose of the y-axis on a graph?

The purpose of the y-axis on a graph is to provide a visual representation of the dependent variable and its values. This allows for the relationship between the independent and dependent variables to be easily observed and analyzed.

5. What is the intersection of the x-axis and y-axis called?

The intersection of the x-axis and y-axis on a graph is called the origin. This is the point where both the x and y values are equal to zero.

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