We found 8 dictionaries that define the word alternating currents:

General (6 matching dictionaries)

1. alternating currents: Merriam-Webster
2. alternating currents: Collins English Dictionary
3. alternating currents: Vocabulary.com
4. alternating currents: Wiktionary
5. Alternating Currents (Spyro Gyra album), Alternating Currents (album): Wikipedia, the Free Encyclopedia
6. Alternating Currents: TheFreeDictionary.com

Computing (1 matching dictionary)

7. Alternating Currents: Encyclopedia

Medicine (1 matching dictionary)

8. Alternating Currents: Medical dictionary

(Note: See alternating_current as well.)

Definitions from Wiktionary (alternating current) ▸ noun:  (physics) An electric current in which the direction of flow of the electrons reverses periodically. ▸ Also see alternating_current ▸ Words similar to alternating currents ▸ Usage examples for alternating currents ▸ Idioms related to alternating currents ▸ Wikipedia articles (New!) ▸ Words that often appear near alternating currents ▸ Rhymes of alternating currents ▸ Invented words related to alternating currents