linear

Adjective

• measured lengthwise
  • cost of lumber per running foot
    

• (of a leaf shape) long and narrow

• of a circuit or device having an output that is proportional to the input
  • analogue device
    
  • linear amplifier
    

• of or in or along or relating to a line; involving a single dimension
  • a linear measurement
    

• designating or involving an equation whose terms are of the first degree

Related words

• Synonyms: 
  running(a) , elongate , analogue , analog , one-dimensional , additive
• Antonyms: 
  digital , planar , two-dimensional , cubic , three-dimensional , nonlinear