Experimental confirmation of a prediction is merely a measurement. An experiment disproving a prediction is a discovery.
Enrico FermiYoung man, if I could remember the names of these particles, I would have been a botanist.
Enrico FermiThere are two possible outcomes: if the result confirms the hypothesis, then you've made a measurement. If the result is contrary to the hypothesis, then you've made a discovery.
Enrico Fermi