WordsScience is a free word guide for students and curious readers. Here you will find A–Z science-word glossaries with simple, one-sentence meanings, plus everyday words and slang explained in easy English.

What you will find here

Science words A–Z: browse the glossaries letter by letter to find a clear, simple definition for each term, with examples where they help.

Everyday words and slang: common words, opposite words, idioms and slang meanings, explained in plain English so they are easy to learn and remember.

Our aim is simple: to make science words and word meanings easy to understand for everyone.