The phrase "a working experiment" is correct and usable in written English.
It can be used to describe an experiment that is currently in progress or functioning as intended.
Example: "The researchers are conducting a working experiment to test the effects of the new drug on patients."
Alternatives: "an active experiment" or "a functional experiment".
And, thirdly, it ought to be a system that can be treated by the royal commission as a working experiment in one form of permanent solution.The government says that it will announce its transitional proposals in a white paper, but they will include the establishment of an independent commission to nominate and vet new life peers.
The engineering solution is theoretically feasible but a working experiment or technology is some decades away as the experimental or physical implementation is not fully understood.
They were just local people who were understandably upset about their town being exploited as a working experiment for energy companies.
To assess the efficacy and the cost of a French team work experiment between nurses and GPs for managing type 2 diabetes patients.
He asked the studio for anything that might be used in the construction of a barn, then went to work experimenting with the equivalent, he said, of an entire lumberyard dumped on the soundstage.
In labs, students design and build a working model or an experiment that addresses a specific engineering aspect of their project.
Ten millimolars of HEPES, pH 7.4, was used as a working buffer in all experiments.
"I wanted to make the simplest machine which could fulfill as a working probe for the experiments.
The Manpower Demonstration Research Corp., in N.Y., designed a supported-work experiment called "one of the largest social experiments ever conducted in the U.S".
Sheryl Crow's probably not going to spend hours in a lab working on experiments".
My avatar was a "nerd" working on an experiment in a lab.
