testingground

noun
UK /ˈtɛstɪŋ ɡraʊnd/
US /ˈtɛstɪŋ ɡraʊnd/

A place where people try out new things to see if they work.

The empty field became a testing ground for the new robot.


OTHER MEANINGS

2. A situation or setting where new ideas are tried out.

The small town was a testing ground for the new traffic rules.

3. An area used for testing weapons or machines.

The desert is a testing ground for military vehicles.

4. A place where someone's skills or abilities are challenged.

The championship was a testing ground for young athletes.