0 (of text written on a computer) having an empty line between the lines of writing:
1 (of printed text) having an empty line between each printed line
You are required to submit a double-spaced printout of your manuscript.
A secretary transformed the tapes into 6,000 pages of double-spaced entries.
A good business plan has a nice cover, is at least 40 pages long, must be typed and double spaced.
