Electron
Electronic
noun
An electricity child. What is a really small part of electricity? What makes up electricity? That would be the electron. This word can also refer to things that are electronic as well.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
電子カルテ
electronic medical record
電子メール
電子レンジ
microwave
カレーを電子レンジに入れました。
I put the curry in the microwave.
その電子ピアノはいくらですか。
How much does that electronic piano cost?
一年前から、紙の本ではなく、Kindleで電子ブックをよむようになりました。
A year ago, I started reading e-books on my Kindle instead of paper books.
電子は目で見ることができません。
You can't see electrons with your eyes.