basicfact

noun
UK /ˌbeɪsɪk ˈfækt/
US /ˌbeɪsɪk ˈfækt/

A basic fact is a simple true thing that you can learn and remember.

The teacher taught us a basic fact about water: it freezes when it gets very cold.


OTHER MEANINGS

2. A small piece of information that is needed before you can understand a bigger idea.

Before we build the model, let's learn a few basic facts about how bridges work.

3. A well-known piece of knowledge that most people accept as true.

It is a basic fact that the sun rises in the east.

4. A simple statement used in school to help students remember important information.

The quiz asked us to write down one basic fact about each planet.