single-space
verb
sin·gle-space ˈsiŋ-gəl-ˈspās 
single-spaced; single-spacing; single-spaces
transitive verb
: to type or print with no blank lines between lines of text
Word History
First Known Use
1928, in the meaning defined above
- prospect
- prospect glass
- Prospect Park
- prospected
- prospecting
- prospection
- prospections
- prospective
- prospective glass
- prospectively
- prospectiveness
- prospectives
- prospectless
- prospector
- prospectors
- prospects
- prospectus
- prospectuses
- prosper
- prospered
- prospering
- prosperities
- prosperity
- Prospero
- prosperous