a material or a body of material which reflects incident radiation. In nuclear reactor technology, this term is usually restricted to designate a part of a reactor placed adjacent to the core for the purpose of returning some of the escaping neutrons back into the core by scattering collisions.
in radar, a passive reflector used to reflect radar transmissions, tetrahedron or pentagonal corner reflector cluster or other reflecting arrangement used as top marks on buoys, etc. to facilitate reflection of incident radiation towards the sender, metallkonstruktsioon või elektronseade radarikiirte meremärkidelt, jahtidelt ja väikestelt alustelt peegeldumise tõhustamiseks ja nende paremaks eristamiseks laevaradari ekraanil, dispositif polyédrique en métal qui assure une réflexion satisfaisante des ondes radioélectriques émises par un radar
réflecteur 1 . EKI terminibaas Esterm. Институт эстонского языка, Сынавееб 2026. https://sonaveeb.ee/search/unif//esterm/r%C3%A9flecteur/1/fra (19.06.2026)
