A free app for Android, by Hybrid Dictionary.

Electrical Dictionary is a free and offline dictionary app for Android phones and tablets, developed by experts to provide the best and most comprehensive definitions of all terms and concepts related to the electrical engineering discipline. 

The app includes thousands of terms, definitions, and examples, as well as thousands of synonyms, antonyms, and related words. It is designed to be used by engineers, electrical students, and anyone who needs to look up the definitions of technical terms in a fast and reliable way.

This app is ideal for those who need to look up the definitions of technical terms and concepts related to the electrical engineering discipline.

The dictionary is written in simple English and is very easy to use. It is designed to be used by people who do not have any previous knowledge of the subject.