noun

• (slang, UK, Australia) A bicycle or motorcycle trick where the front wheel is lifted off the ground while riding.
• (eating disorders) A diet where someome eats only one type of food.
  "plum mono"
• (category theory) Clipping of monomorphism.
• (pathology, informal) Clipping of mononucleosis.

adj

• (informal) Clipping of monochrome.
  "The excellent on-screen display of italics, superscripts and subscripts, and other niceties available on the color screen now display on mono monitors, but with the inherently superior text font of the mono mode."
• (informal) Clipping of monosexual.
  "People who do wish to be recognizable as trans or bi are often coercively passed off as cis or mono anyway."

adj

• (informal) Monaural or monophonic; having only a single audio channel.
  "Because many in the audience were very close to one of the speakers, the DJ decided to play the music in mono."

adj

• (informal) Monoamorous, monogamous.