We found 2 dictionaries that define the word pre operational:

General (2 matching dictionaries)

1. pre-operational: Merriam-Webster
2. pre-operational: Wordnik

▸ Words similar to pre operational ▸ Usage examples for pre operational ▸ Idioms related to pre operational ▸ Wikipedia articles (New!) ▸ Words that often appear near pre operational ▸ Rhymes of pre operational ▸ Invented words related to pre operational