baseline

A starting value or condition used to measure changes or compare results.

• We need a baseline for comparison.
• Her first test results established the baseline.
• Sales are now twenty percent above the baseline.

How to use it: a baseline for something (The first test provides a baseline for later comparisons.)

Similar words: reference point, benchmark, starting point

Common phrases: establish a baseline, baseline measurement, use a baseline

The line at either end of a sports court that marks the limit of play.

• The ball hit the baseline.
• She stood just behind the baseline to serve.
• Both players stayed near their baselines during the rally.

Similar words: end line

Common phrases: behind the baseline, near the baseline, baseline shot

A fixed line used as a starting point for measuring distances or planning construction.

• Draw a baseline across the plan.
• The builders measured each wall from the baseline.
• A laser marked the baseline for the new floor.

Similar words: reference line

Common phrases: draw a baseline, survey baseline, baseline length

A recorded version of a system or process used as a standard for checking later changes.

• Save this configuration as the baseline.
• The team compared the update with the approved baseline.
• Each software release has a documented baseline.

Similar words: reference configuration

Common phrases: configuration baseline, approved baseline, establish a baseline