We found one dictionary that defines the word working principles:

General (1 matching dictionary)

1. working principles: Vocabulary.com

(Note: See working_principle as well.)

Definitions from WordNet (working principle) ▸ noun:  a rule that is adequate to permit work to be done ▸ Also see working_principle ▸ Words similar to working principles ▸ Usage examples for working principles ▸ Idioms related to working principles ▸ Wikipedia articles (New!) ▸ Words that often appear near working principles ▸ Rhymes of working principles ▸ Invented words related to working principles