retroreflectionn.

Brit.

/ˌrɛtrəʊrᵻˈflɛkʃn/, U.S.

/ˌrɛtroʊrəˈflɛkʃ(ə)n/,

/ˌrɛtroʊriˈflɛkʃ(ə)n/

Origin: Formed within English, by derivation. Etymons: retro- prefix, reflection n.

Etymology: < retro- prefix + reflection n. Compare earlier retroflexion n., and also retroreflective adj., retroreflector n.

Optics.

The reflection of light in such a way that it travels along the path it took prior to reflection, but in the reverse direction.

ΚΠ

1949 Illuminating Engin. 44 34/2 A new material consisting of phosphorescent tape overlaid with stripes of white paint impregnated with tiny glass spheres, for retro-reflection.

1972 Oikos 23 286/1 The structure and surface properties of the plants are important parameters of the retroreflection.

2006 Focus Nov. 16/4 We're looking for the retroreflection from cameras... We have an emitter that sends the light out and a detector that receives it back.

This is a new entry (OED Third Edition, March 2010; most recently modified version published online March 2022).

单词	retroreflection
释义	retroreflectionn. Brit. /ˌrɛtrəʊrᵻˈflɛkʃn/, U.S. /ˌrɛtroʊrəˈflɛkʃ(ə)n/, /ˌrɛtroʊriˈflɛkʃ(ə)n/ Origin: Formed within English, by derivation. Etymons: retro- prefix, reflection n. Etymology: < retro- prefix + reflection n. Compare earlier retroflexion n., and also retroreflective adj., retroreflector n. Optics. The reflection of light in such a way that it travels along the path it took prior to reflection, but in the reverse direction. ΚΠ 1949 Illuminating Engin. 44 34/2 A new material consisting of phosphorescent tape overlaid with stripes of white paint impregnated with tiny glass spheres, for retro-reflection. 1972 Oikos 23 286/1 The structure and surface properties of the plants are important parameters of the retroreflection. 2006 Focus Nov. 16/4 We're looking for the retroreflection from cameras... We have an emitter that sends the light out and a detector that receives it back. This is a new entry (OED Third Edition, March 2010; most recently modified version published online March 2022). < n.1949
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