Adverb
By experiment; by experience or trial.
Source: Webster's dictionary[If] we can experimentally isolate a process and show that it can still work well, then it cannot require complex interaction with other parts of vision and can therefore be understood relatively well on its own. David Marr
Eric moved the broom experimentally and made an attempt to sweep the glass into the pan while it lay in the middle of the floor. Of course, the pan slid away. Eric scowled. I'd finally found something Eric did poorly. Charlaine Harris
It does not seem, however, that organic chemists were much worried about barriers to rotation in organic molecules in general at that time because there was no technique available to demonstrate the phenomenon experimentally. Derek Barton
The greenhouse effect is something you can observe experimentally - and most people have observed the greenhouse effect themselves, in greenhouses. Yes? Nicholas Stern
Everyone is sure of this [that errors are normally distributed], Mr. Lippman told me one day, since the experimentalists believe that it is a mathematical theorem, and the mathematicians that it is an experimentally determined fact. Henri Poincaré
Are there mathematical propositions for which there is a considerable amount of computational evidence, evidence that is so persuasive that a physicist would regard them as experimentally verified? Gregory Chaitin