experimentˈal adjective

1. Relating to experiment
2. Based on or proceeding by experiment
3. Trying out new styles or techniques
4. Tentative
5. Experienced, having experience (obsolete)

experimentˈalism noun

Use of or reliance on experiment

experimentˈalist noun

experimentˈalize or experimentˈalise intransitive verb

experimentˈally adverb

experimentāˈtion noun

experimentˈative adjective

experˈimented adjective (obsolete)

1. Experienced
2. Practised

experˈimenter (or /-mentˈ/) or experˈimentist noun

A person who carries out experiments

experimental psychology noun

The branch of psychology which deals with the scientific study of the basic mechanisms of the mind, eg memory and perception, and of the responses of individuals to stimuli in controlled situations