mono

prefix
  1. A prefix meaning 'one', 'single', or 'alone', often used in scientific and technical terms. prefix
    The term 'monoculture' refers to the cultivation of a single crop in a given area.
    Monochrome images are created using only one color or shades of one color.
  2. Short for monophonic, referring to sound reproduction using a single channel. adjective
    The old radio played music in mono, not stereo.
    Mono recordings were common before the advent of stereo sound.
  3. Informal term for infectious mononucleosis, a viral infection causing fever, sore throat, and swollen lymph glands. noun
    She was diagnosed with mono and had to take a few weeks off school.
    Mono is often spread through saliva, which is why it's sometimes called the 'kissing disease'.