Science

• Reflector, a device that causes reflection (for example, a mirror
  Mirror
  A mirror is an object that reflects light or sound in a way that preserves much of its original quality prior to its contact with the mirror. Some mirrors also filter out some wavelengths, while preserving other wavelengths in the reflection...
  
   or a retroreflector
  Retroreflector
  A retroreflector is a device or surface that reflects light back to its source with a minimum scattering of light. An electromagnetic wave front is reflected back along a vector that is parallel to but opposite in direction from the wave's source. The device or surface's angle of incidence is...
  
  )
• Reflector (photography)
  Reflector (photography)
  In photography and cinematography, a reflector is an improvised or specialised reflective surface used to redirect light towards a given subject or scene.- Types :...
  
  , used to control lighting contrast
• Reflecting telescope
  Reflecting telescope
  A reflecting telescope is an optical telescope which uses a single or combination of curved mirrors that reflect light and form an image. The reflecting telescope was invented in the 17th century as an alternative to the refracting telescope which, at that time, was a design that suffered from...
  
  
• Reflector (antenna)
  Reflector (antenna)
  An antenna reflector is a device that reflects electromagnetic waves.It is often a part of an antenna assembly.The most common reflector types are...
  
  , the part of an antenna that reflects radio waves
• Reflector (cipher machine)
  Reflector (cipher machine)
  A reflector, in cryptology, is a component of some rotor cipher machines, such as the Enigma machine, that sends electrical impulses that have reached it from the machine's rotors, back in reverse order through those rotors.- Other names :...
  
  , a component of some rotor machines (a type of cipher machine), such as the Enigma machine, that sends electrical impulses that have reached it from the machine's rotors, back in reverse order through those rotors
• Reflector, the newsletter of the Boston section of the Institute of Electrical and Electronics Engineers
  Institute of Electrical and Electronics Engineers
  The Institute of Electrical and Electronics Engineers is a non-profit professional association headquartered in New York City that is dedicated to advancing technological innovation and excellence...
  
  
• Reflector, in math, the left adjoint in a reflective subcategory
  Reflective subcategory
  In mathematics, a subcategory A of a category B is said to be reflective in B when the inclusion functor from A to B has a left adjoint. This adjoint is sometimes called a reflector...
  
  
• Neutron reflector
  Neutron reflector
  A neutron reflector is any material that reflects neutrons. This refers to elastic scattering rather than to a specular reflection. The material may be graphite, beryllium, steel, and tungsten carbide, or other materials...
  
  , in physics

Computing

• .NET Reflector
  .NET Reflector
  .NET Reflector is a proprietary software utility for Microsoft .NET combining class browsing, static analysis and decompilation, originally written by Lutz Roeder. MSDN Magazine named it as one of the Ten Must-Have utilities for developers, and Scott Hanselman listed it as part of his "Big Ten...
  
  , code browser utility
• Reflector, in an electronic mailing list
  Electronic mailing list
  An electronic mailing list is a special usage of email that allows for widespread distribution of information to many Internet users. It is similar to a traditional mailing list — a list of names and addresses — as might be kept by an organization for sending publications to...
  
  , a single email address that reflects (sends/remails) a copy of an email sent to it to other email addresses
• Reflector router, used in a distributed reflected denial of service attack (DRDoS)

Music

• Reflector (Pablo Cruise album)
  Reflector (Pablo Cruise album)
  Reflector is the sixth studio album by the California soft rock group Pablo Cruise. The album charted slightly higher than its immediate predecessor, but still managed only to reach #34 in the US. Two singles were released from the album; "Cool Love" and "Slip Away", reaching #13 and #75...
  
  , a 1981 album by Pablo Cruise
• Reflector (Killing Heidi album)
  Reflector (Killing Heidi album)
  Reflector is the debut album of Australian band Killing Heidi, released in 2000.-Album information:The album was an enormous success, propelling the band to prominence and eventually spending seven weeks at No. 1 on the ARIA charts...
  
  , a 2000 album by Killing Heidi
• Reflector (PlanetShakers album), a 2002 album by PlanetShakers
• Reflector (band)
  Reflector (band)
  Reflector is a rock band that formed in Beijing in 1997. According to the band's official English language website, Reflector has been featured on CNN and in Newsweek magazine. Reflector lists among its English language musical influences the bands Green Day, NOFX and Lagwagon...
  
  , a rock band based in Beijing

Other

• Reflector (newspaper)
  Reflector (newspaper)
  The Reflector is the student newspaper of Mississippi State University, founded in 1884.-References:...
  
  , the student newspaper of Mississippi State University
• Reflector (Transformers)
  Reflector (Transformers)
  Reflector is the name of three Decepticon characters from the fictional Transformers toy range and associated universe. Their names are Viewfinder, Spectro, and Spyglass. The can combine into one robot on several occasions...
  
  , a fictional character Decepticon in the Transformers toyline of the 1980s