# baseline

> English word · Noun · IPA /ˈbeɪslaɪn/ · frequency rank #11,167

## Definitions
1. A line that is a base for measurement or for construction.
2. A datum used as the basis for calculation or for comparison.
3. A line used as the basis for the alignment of glyphs.
4. The line at the farthest ends of the court indicating the boundary of the area of play.
5. A configuration of software, hardware, or a process that is established and documented as a point of reference.

## Etymology
From base + line.

## Easily confused with
- **backline** (https://plainspell.com/en/vs/backline-vs-baseline)

## Common misspellings (11)
`abseline`, `baesline`, `baseilne`, `baselien`, `baselinne`, `baselline`, `baselnie`, `basleine`, `basseline`, `bbaseline`, `bsaeline`

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/baseline