Massive offline dictionary
840+ curated physics terms across 14 categories. Search and browse with no internet connection.
About
Physion is a physics dictionary built for students, teachers and anyone curious about how the world works. It brings more than 840 carefully curated physics terms together in one clean, fast app that works completely offline.
Every entry goes beyond a one-line definition: you get the formula, SI units, a clear explanation and real-world examples, so concepts make sense instead of just being memorised. When you want to go further, Ask AI explains any topic in plain words.
Features
840+ curated physics terms across 14 categories. Search and browse with no internet connection.
Precise definitions, formulas, SI units, in-depth explanations and practical real-world examples for every term.
540+ hand-picked educational videos for the trickiest concepts.
Results and suggestions appear as you type, powered by an on-device database.
Deep Sky Blue, Navy Blue, Forest Green, Deep Purple, and Midnight Slate for low-light reading.
A clean, accessible interface for students and professionals alike.
Ask AI
The dictionary works on its own. When you want more, Ask AI explains any topic in plain words, built around your exact question.
What you can explore
App information