1. Of, forming, or arranged in a series.
a. Published or produced in installments, as a novel or television drama.
b. Relating to such publication or production.
3. Relating to or engaging in a series of similar acts or behaviors: serial arson; a serial procrastinator.
4. Music Relating to or based on a row of tones, especially the 12 pitches of the chromatic scale.
a. Of or relating to the sequential transmission of all the bits of a byte over one wire: a serial port; a serial printer.
b. Of or relating to the sequential performance of multiple operations: serial processing.
A work of entertainment, as in film or literature, published or produced in installments that usually contain a narrative thread or overarching theme; a series.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.