ray tracen.

Brit.

/ˈreɪ treɪs/, U.S.

/ˈreɪ ˌtreɪs/

Origin: Formed within English, by compounding. Etymons: ray n.⁵, trace n.¹

Etymology: < ray n.⁵ + trace n.¹, after ray tracing n.

†1. A calculation of position based on lines of sight. Cf. ray tracing n. 1. Obsolete. rare.

ΚΠ

1895 Geogr. Jrnl. 5 61 The road-line, river, and terminal face [of the glacier] were traversed with chain and compass, and the rest surveyed by a ‘compass ray-trace’.

2. Optics and Computing. = ray tracing n. 2, 3.

ΘΚΠ

the world > matter > physics > electromagnetic radiation > light > emission of light, radiation > [noun] > optical path > calculation of

path difference1900

ray tracing1918

ray trace1942

1942 Jrnl. Sci. Instruments 19 44/2 If a ray trace is made through this system we find, for the paraxial and marginal ray [etc.].

1969 Appl. Optics 8 409/2 The results of the ray trace of an analytic aplanatic lens are presented in this section.

1994 CAD User Mar. 33/3 Photorealistic ray-trace and networked rendering are highlighted in the list of features added to the package.

1996 P. M. Churchland in A. Clark & P. J. R. Millican Legacy of Alan Turing i. 25 Consider Huygen's seventeenth‐century realization that optical phenomena, previously grasped via the ray traces of geometrical optics, could be more comprehensively understood as instances of wave phenomena.

This is a new entry (OED Third Edition, December 2008; most recently modified version published online March 2022).

单词	ray trace
释义	ray tracen. Brit. /ˈreɪ treɪs/, U.S. /ˈreɪ ˌtreɪs/ Origin: Formed within English, by compounding. Etymons: ray n.⁵, trace n.¹ Etymology: < ray n.⁵ + trace n.¹, after ray tracing n. †1. A calculation of position based on lines of sight. Cf. ray tracing n. 1. Obsolete. rare. ΚΠ 1895 Geogr. Jrnl. 5 61 The road-line, river, and terminal face [of the glacier] were traversed with chain and compass, and the rest surveyed by a ‘compass ray-trace’. 2. Optics and Computing. = ray tracing n. 2, 3. ΘΚΠ the world > matter > physics > electromagnetic radiation > light > emission of light, radiation > [noun] > optical path > calculation of path difference1900 ray tracing1918 ray trace1942 1942 Jrnl. Sci. Instruments 19 44/2 If a ray trace is made through this system we find, for the paraxial and marginal ray [etc.]. 1969 Appl. Optics 8 409/2 The results of the ray trace of an analytic aplanatic lens are presented in this section. 1994 CAD User Mar. 33/3 Photorealistic ray-trace and networked rendering are highlighted in the list of features added to the package. 1996 P. M. Churchland in A. Clark & P. J. R. Millican Legacy of Alan Turing i. 25 Consider Huygen's seventeenth‐century realization that optical phenomena, previously grasped via the ray traces of geometrical optics, could be more comprehensively understood as instances of wave phenomena. This is a new entry (OED Third Edition, December 2008; most recently modified version published online March 2022). < n.1895
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