Answer: logarithmic

AnswerCrossword Clue
logarithmic(of a curve) Forming a straight line when plotted on a logarithmic scale; exponential
logarithmicOf, relating to, or expressed in terms of logarithms
logarithmicof or like a logarithm also LOGARITHMICAL
logarithmic(of a scale) Constructed so that successive points along an axis, or graduations that are an equal distance apart, represent values that are in an equal ratio