baseline

/ˈbeɪslaɪn/

Proposed by a contributor, not yet supported by evidence.

Also seen as: baselines · baselining · baselined

Sense 1

Meaning · English

A line that is a base for measurement or for construction.

Noun

Examples

A laser level generates a convenient baseline for interior work.

Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).

Sense 2

Meaning · English

A datum used as the basis for calculation or for comparison.

Noun

Examples

We used the last doctor visit to provide baselines for vital statistics.

Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).

Sense 3

Meaning · English

To provide a baseline for measurement.

Verb

Examples

Finally, the test was baselined by evaluating the best and poorest catalysts of their respective types by this protocol.

Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).

Sense 4

Meaning · English

To play from the baseline.

Verb

Examples

By the time Maggie, who is eight years younger than Manuela, started playing, baselining was no longer enough to win points, so she learned to move around the court more …

Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).

Common questions

What does “baseline” mean?

A line that is a base for measurement or for construction.

Is “baseline” formal or informal?

No register label has been reviewed yet — treat it as neutral and check the usage notes above.

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