
1) Bicycle safety feature 2) Device 3) Photography equipment 4) Radio frequency antenna type
Found on
https://www.crosswordclues.com/clue/reflector

1) Mirror
Found on
https://www.crosswordclues.com/clue/reflector

reflects light to make bicycle evident when illuminated by headlights of other vehicles. Usually required by law but held in disdain by many cyclists.
Found on
http://en.wikipedia.org/wiki/List_of_bicycle_parts

• (n.) One who, or that which, reflects. • (n.) A reflecting telescope. • (n.) Something having a polished surface for reflecting light or heat, as a mirror, a speculum, etc. • (n.) A device for reflecting sound.
Found on
http://thinkexist.com/dictionary/meaning/reflector/

Any material that reflects more than 50% of the sound energy that strikes it. The NRC is a measure of a sound absorber performance, so (1-NRC) will give an indication of the reflector performance
Found on
http://www.armstrong.com/commceilingsna/article22542.html
[Noun] Plural form: reflectors. Something that can bend or throw back light, making it seen more easily in the dark.
Example: At night the reflectors on my bike make it easier for cars to see that I am on the road.
Found on
http://www.bbc.co.uk/skillswise/glossary/

(from the article `nuclear reactor`) A reflector is a region of unfueled material surrounding the core. Its function is to scatter neutrons that leak from the core and thereby return ...
Found on
http://www.britannica.com/eb/a-z/r/25

material or body of material which reflects incident radiation NOTE - In nuclear reactor technology, this term is usually restricted to designate a part of a nuclear reactor placed adjacent to the core for the purpose of returning some of the escaping neutrons back into the core by scattering collisions (without appreciable capture).
Found on
http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=393-17-21

surface acoustic wave reflecting part which normally makes use of the periodic discontinuity provided by a metal conductor array or a grooved array
Found on
http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=561-06-25

a conductive surface or conductive assembly which acts as a practically continuous surface, whose dimensions are large compared to the wavelength, used to reinforce or divert the incident radiation in desired directions NOTE - The term 'reflector' may be used also for a reflector element.
Found on
http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=712-05-11

device in a multimode cavity which is larger than the wavelength of the microwaves and quasi-optically reflects microwave energy
Found on
http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=841-29-24

device used to alter the spatial distribution of the luminous flux from a source and depending essentially on the phenomenon of reflection
Found on
http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=845-10-33

Any material or surface that reflects light. Reflectors are often used in photography to soften the effect of the main light or to bounce illumination into subjects shadows
Found on
http://www.encyclo.co.uk/local/21048

Re·flect'or (-ẽr) noun [ Confer French réflecteur .] 1. One who, or that which, reflects. Boyle. 2. (Physics) (a) Something having a polished surface for reflecting light or heat, as a mirror, a speculum, etc. (b) A reflecting telescope.
Found on
http://www.encyclo.co.uk/webster/R/35

A type of telescope in which the light from a distant object is gathered by a large, concave mirror at the rear of the telescope
Found on
http://www.irpoyser.co.uk/glossary.php

Any device used to reflect light onto a subject to improve balance of exposure (contrast). Another way is to use fill in flash. Any material or surface that reflects light. Reflectors are often used in photography to soften the effect of the main light or to bounce illumination into subjects shadows. Light does not always fall exactly where you wan...
Found on
http://www.rodsmith.org.uk/photographic%20glossary/rods%20photographic%20gl

A telescope that gathers light with a mirror. The Newtonian reflector, designed by Isaac Newton, has a small second mirror mounted diagonally near the front of the tube to divert the light sideways and out to your eye.
Found on
http://www.skyandtelescope.com/astronomy-terms/

A device used to re-direct the luminous flux from a light source by the process of reflection.
Found on
http://www.youngco.com/young2.asp?ID=4&Type=3

A shiny material used at the back of a luminaire to reduce light wastage and intensify the beam.
Found on
https://hdos.org.uk/gen/glossary.html

a telescope in which the main light gathering element is a mirror
Found on
https://sciencetrek.org/sciencetrek/topics/astronomy/glossary.cfm

a telescope in which the main light gathering element is a mirror
Found on
https://sciencetrek.org/sciencetrek/topics/planets/glossary.cfm

A surface, usually a rock or sediment layer, that strongly reflects seismic (sound) waves.
Found on
https://www.encyclo.co.uk/local/20127

Any surface from which light can be reflected. Used to reflect light from a main source into the shadow areas. (see Lastolite)
Found on
https://www.encyclo.co.uk/local/20176
noun device that reflects radiation
Found on
https://www.encyclo.co.uk/local/20974

a telescope in which the main light gathering element is a mirror
Found on
https://www.encyclo.co.uk/local/22786
No exact match found.