retroreflectionn.
/ˌrɛtrəʊrᵻˈflɛkʃn/, U.S. /ˌrɛtroʊrəˈflɛkʃ(ə)n/, /ˌrɛtroʊriˈflɛkʃ(ə)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).
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n.1949- hatcheries
- hatchers
- hatchery
- hatches
- hatches, matches, and dispatches
- hatchet
- hatchet face
- hatchet fashion
- hatchet fish
- hatchet fist
- hatchet jaw
- hatchet job
- hatchet man
- hatchet moulding
- hatchet stake
- hatchet vetch
- hatchet work
- hatchet-edge
- hatchet-faced
- hatchet-head
- hatchet-headed
- hatcheted
- hatchetedge
- hatchetfaced
- hatchethead