if-then statement

noun
UK /ɪf ðɛn ˈsteɪtmənt/
US /ɪf ðɛn ˈsteɪtmənt/

A sentence that says if one thing happens, then another thing will happen.

If it rains, then we will stay inside.


OTHER MEANINGS

2. In math, a rule that connects a condition to a result.

If a number is even, then it can be divided by two.

3. In coding, a command that runs only when a test is true.

If the score is over ten, then show the winner screen.

4. A way of stating a cause and its effect.

If you water the plant, then it will grow.