﻿ Definition of Principal point. Meaning of Principal point. Synonyms of Principal point

# Definition of Principal point. Meaning of Principal point. Synonyms of Principal point

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

## Definition of Principal point

Principal point
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 point from wikipedia

- Prin****l point may refer to: Prin****l point (optics), in optics Pinhole camera model#The geometry and mathematics of the pinhole camera, in the analysis...
- of the medium. For a thin lens in air, the prin****l planes both lie at the location of the lens. The point where they cross the optical axis is sometimes...
- Prin****l may refer to: Prin****l (academia), the chief executive of a university Prin****l (education), the head teacher of a primary or secondary school...
- differential geometry, the two prin****l curvatures at a given point of a surface are the eigenvalues of the shape operator at the point. They measure how the...
- Prin****les may refer to: In Philippine history, members of the Prin****lía In Roman history, certain military officers, see Auxilia#Junior officers (prin****les)...
- confusion" criterion. A prin****l focus or focal point is a special focus: For a lens, or a spherical or parabolic mirror, it is a point onto which collimated...
- "The Prin****l and the Pauper" is the second episode of The Simpsons' ninth season. It first aired on the Fox network in the United States on September...
- used for dimensionality reduction by projecting each data point onto only the first few prin****l components to obtain lower-dimensional data while preserving...
- The prin****l–agent problem, in political science and economics (also known as agency dilemma or the agency problem) occurs when one person or entity...
- Prin****l axis may refer to: One of the two prin****l axes of a hyperbola Prin****l axis (mechanics) Aircraft prin****l axes Prin****l axis theorem Prin****l...