Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "ebook" in a sentence
"The input format should default to the format the ebook is already in, and the output format should default to EPUB."
"In their case the ebook is a side product of their physical publishing business and so this makes sense."
"This one isn't in mass market form I don't think though, however the ebook is available and how I managed to get it for a price I thought was worth it."