Verb (used with object) : Always double-space a term paper.    From Dictionary.com. 

Verb (used without object) : I can never remember to double-space.    From Dictionary.com. 

There was some wavering between single - and double-spacing.    From Wordnik.com.  [In the Basement of the Ivory Tower] Reference

Right, so, dudes: What is UP with that crazy double-spacing, eh?.    From Wordnik.com.  [How to Fail in Spelling Without Really Trying] Reference

Why was double-spacing so important back then and never seen today?.    From Wordnik.com.  [Auren Hoffman: Everything You Learn in College is Wrong] Reference

Sorry to everyone who reads this through the LJ feed for the wierd double-spacing.    From Wordnik.com.  [Archive 2006-03-01] Reference

So double-spacing can create what look like rivers of white space down a column of copy.    From Wordnik.com.  [Athena Experiments With Metaphor « Whatever] Reference

How does Maureen get away with making every sentence a paragraph, and double-spacing those?.    From Wordnik.com.  [Hillary Privately Urging Her Pledged Delegates To Vote For Obama At Convention] Reference

I would think that the rationale for double-spacing manuscripts would equally apply for synopses.    From Wordnik.com.  [Archive 2006-05-07] Reference

All entries must be in English, prose, typed with double-spacing and no more than 2,000 words in length.    From Wordnik.com.  [Archive 2006-06-01] Reference

So far, I haven't found anyone recommending single-spacing over double-spacing, but I'm sure it's only a matter of Times.    From Wordnik.com.  [25 lines per page?] Reference

It's easier to read because double-spacing allows the editor to write notes down without having to resort to writing small.    From Wordnik.com.  [On Manuscript Preparation] Reference

Maybe he could have made the movie ten minutes shorter and padded it by double-spacing the end credits, like they did in Red Eye.    From Wordnik.com.  [Paranoid Park] Reference

Keep double-spacing after those periods: the people who advocate one are most assuredly not organizing contests or working in agencies.    From Wordnik.com.  [Author! Author! » Blog Archive » Increasing your chances: the pentultimate checklist] Reference

“Double spacing” in Microsoft Word tends to be a bit wider than true double-spacing usually about 15% wider. 12-pt type is double-spaced at almost 28 pts instead of 24.    From Wordnik.com.  [Author! Author! » Blog Archive » How to format a book manuscript properly, part II: you got chocolate in Millicent’s peanut butter!] Reference

Perhaps not since your last college paper deadline, wherein double-spacing and 14-pt font made the difference between a pass and summer school, has font garnered so much attention.    From Wordnik.com.  [Glynnis MacNicol: The Font's The Thing] Reference

It's like someone turned on double-spacing without asking me.    From Wordnik.com.  [PCWorld.ca: Latest News Feed] Reference

Is there anything else special about your text other than the double-spacing?.    From Wordnik.com.  [Discussions: Message List - root] Reference

Configure the lights for each day of Chanuka with a 9-bit DIP switch, just as the ancients set their dot-matrix printers for double-spacing.    From Wordnik.com.  [ThinkGeek :: What's New] Reference

NWP was also not capable of getting the right double-spacing at the top of each page for the Turabian formatting I was required to use for my dissertation.    From Wordnik.com.  [Macworld] Reference

Middle-of-the-night sources reported that Jobs then began work on double-spacing his Keynote presentation and increasing the font size to make it appear longer. ".    From Wordnik.com.  [Blogometer] Reference