To scientists, "experimental" is a technical word, one with a precise meaning: that which relates to a procedure of methodical trial and error, to a systematic test for determining the nature of reality. I got in trouble on this blog once, with commenters, for using the word "experimental" too flippantly.
But artists experiment too, of course. Their method of inquiry is different, free from the rigidity that characterizes the scientific method. Artistic experiments are designed to be singular; they aren't supposed to be repeated. They have no control variables. Often, even the hypothesis…