Noun
horizontal plane (plural horizontal planes)
(anatomy) Any plane that divides the body into superior and inferior parts, roughly perpendicular to spine; transverse plane.
If a straight horizontal thread one meter long falls from a height of one meter on to a horizontal plane twisting as it pleases [it] creates a new image of the unit of length. Marcel Duchamp
In the case of an object that is swinging around on the end of a rope in a horizontal plane, the centripetal force on the object is supplied by the tension of the rope. Source: Internet
A turnstile antenna with its four arms in the horizontal plane, likewise transmits horizontally polarized radiation toward the horizon. Source: Internet
Beamwidth is usually but not always expressed in degrees and for the horizontal plane. Source: Internet
Damage to the vestibulocochlear nerve can also present as repetitive and involuntary eye movements ( nystagmus ), particularly when looking in a horizontal plane. Source: Internet
The electric field is in a vertical plane and the magnetic field in a horizontal plane. Source: Internet