What Is The Definition Of Horizontal Line. Horizontal lines in coordinate geometry are lines that are parallel to the x-axis. In geometry a horizontal line is one which runs from left to right across the page.
A horizontal line has a slope of zero. References in classic literature. A horizontal line runs parallel to the x-axis.
The horizon is horizontal Its cousin is the vertical line which runs up and down the page.
A line down the middle of the page. Descriptive Geometry Drawing a constructive line either drawn or imagined which passes through the point of sight and is the chief line in the projection upon which all verticals are fixed and upon which all vanishing points are found. A shift of topic. The element is most often displayed as a horizontal rule that is used to separate content or define a change in an HTML page.