baseline

play
noun, often attributive base·line \ˈbās-ˌlīn\

Definition of baseline

  1. 1 :  a line serving as a basis; especially :  one of known measure or position used (as in surveying or navigation) to calculate or locate something

  2. 2 a :  either of the lines on a baseball field that lead from home plate to first base and third base and are extended into the outfield as foul lines b :  base path

  3. 3 :  a boundary line at either end of a court (as in tennis or basketball)

  4. 4 :  a usually initial set of critical observations or data used for comparison or a control

  5. 5 :  a starting point <the baseline of this discussion>

Examples of baseline in a sentence

  1. The experiment is meant only to provide a baseline for other studies.

  2. <any year or event we use as the baseline for the Renaissance is going to be at least somewhat arbitrary>

1610

First Known Use of baseline

1610


BASELINE Defined for English Language Learners

baseline

play
noun, often attributive base·line \ˈbās-ˌlīn\

Definition of baseline for English Language Learners

  • : information that is used as a starting point by which to compare other information

  • : a line at either end of the playing area in games like basketball and tennis

  • baseball : either one of the lines that lead from home plate to first base and third base


Medical Dictionary

baseline

play
noun base·line \ˈbā-ˌslīn\

Medical Definition of baseline

  1. :  a set of critical observations or data used for comparison or a control



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