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ENGLISH · A WORD WITH POSSIBILITIES

blackline.

A document indicating the differences between two versions of another document.

9 characters2 syllables approx.English language

Meaning & usage

noun
  1. A document indicating the differences between two versions of another document.

  2. A line of deliberately burned material created to stop the advance of a larger fire.

Where this word comes from

From black + line; compare redline, greenline.

verb
  1. To compare versions of (a document) by this method.

    transitive
Where this word comes from

From black + line; compare redline, greenline.

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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.

Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.