We found 3 dictionaries that define the word in-phase:

General (2 matching dictionaries)

1. in-phase: Oxford Learner's Dictionaries
2. in-phase: Webster's New World College Dictionary, 4th Ed.

Tech (1 matching dictionary)

3. Rane Professional Audio Reference (No longer online)

Phrases: In-phase and quadrature components, more... ▸ Words similar to in-phase ▸ Usage examples for in-phase ▸ Idioms related to in-phase ▸ Wikipedia articles (New!) ▸ Words that often appear near in-phase ▸ Rhymes of in-phase ▸ Invented words related to in-phase