1. A positively charged electrode, as of an electrolytic cell, storage battery, diode, or electron tube.
2. The negatively charged terminal of a primary cell or of a storage battery that is supplying current.
[Greek anodos, a way up : ana-, ana- + hodos, way.]
a·nodic (ə-nŏdĭk), a·nodal (ə-nōdl) adj.
a·nodi·cal·ly, a·nodal·ly adv.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2020 by Houghton Mifflin Harcourt Publishing Company. 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.