• IPA: /ˈbeɪslaɪn/

baseline (plural baselines)

  1. A line that is a base for measurement or for construction.
    A laser level generates a convenient baseline for interior work.
  2. A datum used as the basis for calculation or for comparison.
    We used the last doctor visit to provide baselines for vital statistics.
  3. (typography) A line used as the basis for the alignment of glyphs.
    cot en
    Several characters typically have descenders below the lower baseline.
  4. (tennis) The line at the farthest ends of the court indicating the boundary of the area of play.
    The umpire missed the call. The ball hit the baseline.
  5. (engineering) A configuration of software, hardware, or a process that is established and documented as a point of reference.
    The baseline configuration includes unsupported components.
Related terms
  • baseline driver
  • baseline game
Translations Translations Translations Translations
  • German: Grundwerte, Vergleichsbasis, Basiswert, Basislinie, Ausgangsbasis, Basisszenario, Grundlage
  • Spanish: línea base

baseline (baselines, present participle baselining; past and past participle baselined)

  1. (engineering, computing) To provide a baseline for measurement.
  2. (tennis) To play from the baseline.

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