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