We found 7 dictionaries that define the word megacycles:

General (6 matching dictionaries)

1. megacycles: Merriam-Webster
2. megacycles: Collins English Dictionary
3. megacycles: Vocabulary.com
4. megacycles: Wiktionary
5. megacycles: Dictionary.com
6. Megacycles: Wikipedia, the Free Encyclopedia

Medicine (1 matching dictionary)

7. megacycles: Merriam-Webster Medical Dictionary

(Note: See megacycle as well.)

Definitions from Wiktionary (megacycle) ▸ noun:  (dated) Synonym of megahertz ▸ Also see megacycle ▸ Words similar to megacycles ▸ Usage examples for megacycles ▸ Idioms related to megacycles ▸ Wikipedia articles (New!) ▸ Popular adjectives describing megacycles ▸ Words that often appear near megacycles ▸ Rhymes of megacycles ▸ Invented words related to megacycles