adj.
Pronunciation: ik- ˌ sper- ə - ' men-t ə l also - ˌ spir-
Function: adjective
Date: 15th century
1 : of, relating to, or based on experience or experiment
2 a : serving the ends of or used as a means of experimentation <an experimental school> b : relating to or having the characteristics of experiment : TENTATIVE <still in the experimental stage>
– ex · per · i · men · tal · ly \ -t ə l- ē \ adverb