se·ri·al·ize (sîr??-?-l?z?)tr.v. se·ri·al·ized, se·ri·al·iz·ing, se·ri·al·iz·es To write or publish in serial form.se?ri·al·i·za?tion (-?-l?-z??sh?n) n.American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.