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Adjective: linear  li-nee-u(r)
  1. (mathematics) designating or involving an equation whose terms are of the first degree
    - additive
  2. Of or in or along or relating to a line; involving or having a single dimension
    "a linear measurement";
    - one-dimensional
  3. (electronics) Of a circuit or device in which the value of a data item is represented by a continuously variable physical quantity rather than digitally
    "linear amplifier";
    - analogue [Brit], analog
  4. (of a leaf shape) long and narrow
    - elongate
  5. Measured lengthwise
    "cost of lumber per linear foot";
    - running

See also: bilinear, collinear, lengthways, lengthwise, lineal, linelike, rectilineal, rectilinear, simple, unsubdivided

Encyclopedia: Linear