Definition of Principal plane. Meaning of Principal plane. Synonyms of Principal plane

Here you will find one or more explanations in English for the word Principal plane. Also in the bottom left of the page several parts of wikipedia pages related to the word Principal plane and, of course, Principal plane synonyms and on the right images related to the word Principal plane.

Definition of Principal plane

Principal plane
Principal Prin"ci*pal, a. [F., from L. principalis. See Prince.] 1. Highest in rank, authority, character, importance, or degree; most considerable or important; chief; main; as, the principal officers of a Government; the principal men of a state; the principal productions of a country; the principal arguments in a case. Wisdom is the principal thing. --Prov. iv. 7. 2. Of or pertaining to a prince; princely. [A Latinism] [Obs.] --Spenser. Principal axis. See Axis of a curve, under Axis. Principal axes of a quadric (Geom.), three lines in which the principal planes of the solid intersect two and two, as in an ellipsoid. Principal challenge. (Law) See under Challenge. Principal plane. See Plane of projection (a), under Plane. Principal of a quadric (Geom.), three planes each of which is at right angles to the other two, and bisects all chords of the quadric perpendicular to the plane, as in an ellipsoid. Principal point (Persp.), the projection of the point of sight upon the plane of projection. Principal ray (Persp.), the line drawn through the point of sight perpendicular to the perspective plane. Principal section (Crystallog.), a plane passing through the optical axis of a crystal.

Meaning of Principal plane from wikipedia

- prin****l plane and the distance from the rear prin****l plane to the object's image. The prin****l points are the points where the prin****l planes cross...
- non-human anatomy, three prin****l planes are used: The sagittal plane or lateral plane (longitudinal, anteroposterior) is a plane parallel to the sagittal...
- stresses in many planes by reducing them to vertical and horizontal components. These are called prin****l planes in which prin****l stresses are calculated;...
- selecting L = 2 and keeping only the first two prin****l components finds the two-dimensional plane through the high-dimensional dataset in which the...
- point F to the front prin****l plane H. Rear focal length (RFL) The rear focal length f′ is the distance from the rear prin****l plane H′ to the rear focal...
- the projection plane. The term orthographic sometimes means a technique in multiview projection in which prin****l axes or the planes of the subject are...
- it, hence yielding a plane strain condition (Figure 7.2). In this case, though all prin****l stresses are non-zero, the prin****l stress in the direction...
- _{3})^{2}+(\sigma _{1}-\sigma _{3})^{2}=2\sigma _{y}^{2}\,\!} In the case of prin****l plane stress, σ 3 = 0 {\displaystyle \sigma _{3}=0} and σ 12 = σ 23 = σ 31...
- The prin****l axes of rotation imply three reference planes, each perpendicular to an axis: Normal plane, or yaw plane Transverse plane, lateral plane, or...
- – one on each side. The distance in air from the lens or mirror's prin****l plane to the focus is called the focal length. Elliptical mirrors have two...