• People with lean narrow physiques, see emaciation
  Emaciation
  Emaciation occurs when an organism loses substantial amounts of much needed fat and often muscle tissue, making that organism look extremely thin. The cause of emaciation is a lack of nutrients, starvation, or disease....
  
   and underweight
  Underweight
  The term underweight refers to a human who is considered to be under a healthy weight. "Underweight" means weighing less than what is expected to be a healthy person . The definition is usually made with reference to the body mass index . A BMI of under 18.5 is usually referred to as underweight...
  
  
• Thin client
  Thin client
  A thin client is a computer or a computer program which depends heavily on some other computer to fulfill its traditional computational roles. This stands in contrast to the traditional fat client, a computer designed to take on these roles by itself...
  
  , computer in client-server architecture networks
• Thin film
  Thin film
  A thin film is a layer of material ranging from fractions of a nanometer to several micrometers in thickness. Electronic semiconductor devices and optical coatings are the main applications benefiting from thin film construction....
  
  , material layer of about 1 µm thickness
• Thin film memory
  Thin film memory
  Thin-film memory is a high-speed variation of core memory developed by Sperry Rand in a government-funded research project.Instead of threading individual ferrite cores on wires, thin-film memory consisted of 4 micrometre thick dots of permalloy, an iron-nickel alloy, deposited on small glass...
  
  , high-speed variation of core memory developed by Sperry Rand in a government-funded research project
• Thin layers (oceanography), congregations of phytoplankton and zooplankton in the water column
• Thin lens
  Thin lens
  [Image:Lens1.svg|thumb|A lens can be considered a thin lens if d [Image:Lens1.svg|thumb|A lens can be considered a thin lens if d [Image:Lens1.svg|thumb|A lens can be considered a thin lens if d...
  
  , lens with a thickness that is negligible compared to the focal length of the lens in optics
• Thin Lizzy
  Thin Lizzy
  Thin Lizzy are an Irish hard rock band formed in Dublin in 1969. Two of the founding members, drummer Brian Downey and bass guitarist/vocalist Phil Lynott met while still in school. Lynott assumed the role of frontman and led them throughout their recording career of thirteen studio albums...
  
  , Irish rock band who formed in Dublin in 1969
• Thin-film deposition, any technique for depositing a thin film of material onto a substrate or onto previously deposited layers
• The Thin Man
  The Thin Man
  The Thin Man is a detective novel by Dashiell Hammett, originally published in Redbook. Although he never wrote a sequel, the book became the basis for a successful six-part film series which also began in 1934 with The Thin Man and starred William Powell and Myrna Loy...
  
  , 1933 mystery novel by Dashiell Hammett
• The Thin Man (film)
  The Thin Man (film)
  The Thin Man is a 1934 American comic detective film starring William Powell and Myrna Loy as Nick and Nora Charles, a flirtatious married couple who banter wittily as they solve crimes with ease. Nick is a hard drinking retired detective and Nora a wealthy heiress...
  
  , the first of six comic detective films starring William Powell and Myrna Loy
• Thin (film)
  Thin (film)
  The 2006 cinéma vérité documentary film, THIN, directed by Lauren Greenfield and distributed by HBO, is an exploration of The Renfrew Center in Coconut Creek, Florida; a 40-bed residential facility for the treatment of women with eating disorders. The film mostly revolves around four women with...
  
  , an HBO television documentary about eating disorders by Lauren Greenfield
• Thin (web server), a Ruby web-server based on Mongrel

See also

• The Thin Blue Line (disambiguation)
• Thin-walled