In general, an imaginary line is usually any sort of geometric line (more generally, curves) that has only an abstract definition and does not physically...

In complex geometry, an imaginary line is a straight line that only contains one real point. It can be proven that this point is the intersection point...

called the Aihui-Tengchong Line (and internationally as the Hu line), is an imaginary line that divides the area of China into two parts with contrasting...

A line drawn through the origin at right angles to the real number line can be used to represent the imaginary numbers. This line, called imaginary line...

divides Earth into the Northern and Southern hemispheres. It is an imaginary line located at 0 degrees latitude, about 40,075 km (24,901 mi) in circumference...

extension to the concept, an imaginary line representing imaginary numbers can be drawn perpendicular to the number line at zero. The two lines forms...

The International Date Line (IDL) is the line extending between the South and North Poles that is the boundary between one calendar day and the next. It...

on the anterior torso marked by the anterior axillary fold. It's the imaginary line that runs down from the point midway between the middle of the clavicle...

The line of sight, also known as visual axis or sightline (also sight line), is an imaginary line between a viewer/observer/spectator's eye(s) and a subject...

judge about the purpose of sending a man to prison "for crossing an imaginary line with a bunch of plants", Jung was sent to the Federal Correctional Institution...

– United States border An imaginary line running west from the mouth of El Tordillo March 1 September 30 An imaginary line running west from the mouth...

skeletal base where either of the jaws protrudes beyond a predetermined imaginary line in the coronal plane of the skull.[clarification needed] In the case...

The Barassi Line is an imaginary line in Australia which approximately divides areas where Australian rules football or rugby league is the most popular...

the sites where the sacrum attaches to the ilium of the pelvis. An imaginary line joining both dimples of Venus passes over the spinous process of the...

In astrology, a cusp (from the Latin for spear or point) is the imaginary line that separates a pair of consecutive signs in the zodiac or houses in the...

the imaginary line that passes through both the North Pole and South Pole, whereas the Earth's orbital axis is the line perpendicular to the imaginary plane...

tangent line The imaginary line drawn perpendicular to the impact line between the cue ball and an object ball. The cue ball will travel along this line after...

watercraft can experience. The vertical/Z axis, or yaw axis, is an imaginary line running vertically through the ship and through its centre of mass....

pointer stars with a line, divide this line in half, then at right angles draw another imaginary line through the sky until it meets the line from the Southern...

An apse line, or line of apsides, is an imaginary line defined by an orbit's eccentricity vector. It is strictly defined for elliptic, parabolic, and hyperbolic...

of the Little Dipper (Little Bear), can be located by extending an imaginary line through the front two stars of the asterism, Merak (β) and Dubhe (α)...

head-on") is a position facing the qibla so that an imaginary line extending from the person's line of sight would pass through the Kaaba. This manner...

+j\omega } Real frequency components are along its vertical axis (the imaginary line s = j ω {\displaystyle s{=}j\omega } where σ = 0 {\displaystyle \sigma...

In sailboat racing, a layline is an imaginary line extending from the objective (typically a racing mark) to indicate the point at which a boat should...

The Tees–Exe line is a northeast-southwest line that can be drawn on a map of Great Britain which roughly divides the island into lowland and upland regions...

fighter pilots] who crossed an imaginary line in the direction of our forces was destroyed, shot down. The imaginary line was actually the range of the...

in polo are based on the "line of the ball", an imaginary line that extends through the ball in the line of travel. This line traces the ball's path and...

theorem, f {\displaystyle f} is supposed to have no roots lying on the imaginary line); w(x) is the number of variations of the generalized Sturm chain obtained...

An optical axis is an imaginary line that passes through the geometrical center of an optical system such as a camera lens, microscope or telescopic sight...

so. Square Somewhere along an imaginary extension of the popping crease. Fine Closer to an extension of an imaginary line along the middle of the pitch...