sin·gle-space (sĭnggəl-spās)
v. sin·gle-·spaced, sin·gle-·spac·ing, sin·gle-·spac·es
v. tr.
To type, print, or format (copy) without leaving a blank line between lines.
v. intr.
To type, print, or format copy without leaving a blank line between lines.

[TahlilGaran] American Dictionary ▲