nodal point


Also found in: Dictionary, Thesaurus, Legal, Financial, Encyclopedia.

no·dal point

one of two points in a compound optic system so related that a ray directed toward the first point will appear to have passed through the second point parallel to its original direction.
Synonym(s): axial point

no·dal point

(nō'dăl poynt)
One of two points in a compound optic system so related that a ray directed toward the first point will appear to have passed through the second point parallel to its original direction.
Synonym(s): axial point.

nodal point

Either of a pair of points situated on the axis of an optical system so that any incident ray sent through one will produce a parallel emergent ray sent through the other.
See also: point
References in periodicals archive ?
Apart from being a hub for the bank's regional operations, the DIFC Branch will also serve as IDBI Bank's nodal point for raising foreign currency resources from the US and European markets in addition to the Asian markets, according to Singh.
The computations of U, V, T and C at time level (n +1) using the values at previous time level (n) are carried out as follows: The finite-difference equations (15) and (18) at every internal nodal point on a particular i-level constitute a tridiagonal system of equations.
The cataract is close to the nodal point of the eye and despite relatively good distance acuity, the near VA is often be quite poor.
Apart from being a hub for the Bank's regional operations, the Dubai office will also serve as IDBI Bank's nodal point for raising foreign currency resources from the US and European markets in addition to the Asian markets.
The minister said the Prime has taken a decision that the home ministry would be the nodal point on the Naxal problem.
The cash factory will be the nodal point for issuing currency notes to all local SBI branches as well as ATMs.
In the case quoted above, the mother constitutes this nodal point.
Each such nodal point will receive one or more visits from the MHU depending on the area of coverage.
Every nodal point has two linear and two angular generalized displacements.
Unlike most central-place functions, which are served by local traffic and thus depend on maximum accessibility from a hinterland, the function of a nodal point is exercised through long-distance traffic and will therefore be stimulated in particular by topographical restrictions that guide traffic into corridors.