Third-person singular simple present indicative form of double-space

(transitive, intransitive) To format (a document) so that every other line is left blank, leaving sufficient whitespace for annotation (e.g. a teacher's corrections).

Alternative spelling of double-spaced

(of text) Formatted so that there is a full blank line between each line of text; the style of formatting required by many entities inside business, academia, and publishing.

simple past tense and past participle of double-space

present participle of double-space

To type (or format) text by leaving a blank line between each line of text / To type (or format) text with two spaces between consecutive sentences.