We found 5 dictionaries that define the word reactor core:

General (4 matching dictionaries)

1. reactor core: American Heritage Dictionary of the English Language
2. reactor core: Dictionary.com
3. Reactor core: Wikipedia, the Free Encyclopedia
4. reactor core: TheFreeDictionary.com

Science (1 matching dictionary)

5. Reactor core: NRC Glossary of Nuclear Terms --

Phrases: Nuclear reactor core, more... ▸ Words similar to reactor core ▸ Usage examples for reactor core ▸ Idioms related to reactor core ▸ Wikipedia articles (New!) ▸ Words that often appear near reactor core ▸ Rhymes of reactor core ▸ Invented words related to reactor core