- nodal points
- one of two points on the axis of an optical system so situated that a ray falling on one will produce a parallel ray emerging through the other.
Medical dictionary. 2011.
nodal points
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Points of the compass — Point Point, n. [F. point, and probably also pointe, L. punctum, puncta, fr. pungere, punctum, to prick. See {Pungent}, and cf. {Puncto}, {Puncture}.] 1. That which pricks or pierces; the sharp end of anything, esp. the sharp end of a piercing… … The Collaborative International Dictionary of English
nodal slide — noun : a device for locating the nodal points of a lens or lens system … Useful english dictionary
nodal — nodal, ale, aux [ nɔdal, o ] adj. • 1820; jointure nodale « qui forme un nœud » 1503; du lat. nodus « nœud » 1 ♦ Phys. Relatif aux nœuds d une corde ou d une surface vibrante. Points nodaux. Ligne nodale sur une plaque vibrante, ou n. f. la… … Encyclopédie Universelle
Nodal signaling — is a signal transduction pathway that is important in pattern formation and differentiation during embryo development.[1] The nodal family of proteins, a subset of the transforming growth factor beta (TGFβ) superfamily, is responsible for… … Wikipedia
nodal — nodal, ale, (no dal, da l ) adj. Terme de physique. Qui a rapport aux noeuds d une surface vibrante. Figures nodales. Lignes nodales, ou, substantivement, les nodales, lignes qui se forment sur une plaque recouverte de sable qu on fait vibrer … Dictionnaire de la Langue Française d'Émile Littré
nodal point — n either of two points so located on the axis of a lens or optical system that any incident ray directed through one will produce a parallel emergent ray directed through the other … Medical dictionary
method of nodal points — Смотри метод узловых точек … Энциклопедический словарь по металлургии
Points nodaux — Point nodal Cet article fait partie de la série Photographie … Wikipédia en Français
Nodal analysis — Kirchhoff s current law is the basis of nodal analysis. In electric circuits analysis, nodal analysis, node voltage analysis, or the branch current method is a method of determining the voltage (potential difference) between nodes (points where… … Wikipedia
nodal point — noun : node; especially : either of two points so located on the axis of a lens or optical system that any incident ray directed through one will produce a parallel emergent ray directed through the other * * * Optics. either of two points on the … Useful english dictionary
