A heliochrome is a color photograph, particularly one made by the early experimental processes of the middle 19th to early 20th centuries.

Wonka explains that he is currently developing an experimental process for transmitting chocolate via television.

The steel used in the test cars was the result of an experimental process.

Measures that are able to collect all and only what is learned during the experimental process would provide more accuracy in the results.

The need to carefully manage the experimental process in human studies has always been understood.

Their reaction was all part of the experimental process, and he considered the results to be very worthwhile.

The union's press statement also did not say the new procedure was voluntary, calling it an "experimental disciplinary and termination process."

These concepts are further debated in committees or working groups and, if accepted, are submitted to the experimental process.

The experimental process and the results remain controversial.

My friend was obsessed, guilt-ridden, demented from trying experimental processes on himself.