We found 4 dictionaries that define the word by extension:

General (4 matching dictionaries)

1. by extension: Oxford Learner's Dictionaries
2. by extension: Longman Dictionary of Contemporary English

Phrases: relationship is at issue by extension, relationships is at issue by extension, at issue by extension, more... ▸ Words similar to by extension ▸ Usage examples for by extension ▸ Idioms related to by extension ▸ Wikipedia articles (New!) ▸ Words that often appear near by extension ▸ Rhymes of by extension ▸ Invented words related to by extension