startup

noun
UK /ˈstɑːtʌp/
US /ˈstɑːrtʌp/

A startup is a new, small company that is just beginning.

She works for a startup that makes fun learning apps for kids.


OTHER MEANINGS

2. The act of starting something, such as a machine or an engine.

The startup of the old car took a few tries.

3. The beginning or first part of a process or event.

At the startup of the race, everyone ran fast.

4. The act of a computer or program beginning to run.

After a quick startup, the computer was ready to use.