We found 2 dictionaries that define the word primary system:

Science (1 matching dictionary)

1. Primary system: NRC Glossary of Nuclear Terms --

Tech (1 matching dictionary)

2. PRIMARY SYSTEM: Power Engineering

Phrases: Primary central nervous system lymphoma, primary life support system, Joint Primary Aircraft Training System, more... ▸ Words similar to primary system ▸ Usage examples for primary system ▸ Idioms related to primary system ▸ Wikipedia articles (New!) ▸ Words that often appear near primary system ▸ Rhymes of primary system ▸ Invented words related to primary system