ex‧per‧i‧men‧tal W3 / ɪksperəmentl◂, ɪksperɪmentl◂ / 形容词

1 used for, relating to, or resulting from experiments

experimental evidence/results/data

A hypothesis is tested by finding experimental evidence for it.

experimental work/studies

experimental studies on birds and animals

experimental animals

2 using new ideas or methods :

an experimental theatre group