single-space [sing-guh l-speys] WORD ORIGIN verb (used with object), sin·gle-spaced, sin·gle-spac·ing. to type (copy) on each line space. verb (used without object), sin·gle-spaced, sin·gle-spac·ing. to type copy leaving no blank spaces between lines.
Origin of single-space First recorded in 1935–40 Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019 British Dictionary definitions for single-space single-space verb (tr) to type (copy) without leaving a space between the lines Collins English Dictionary – Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012