adjective Date: 15th century of, relating to, or based on experience or experiment, 2. serving the ends of or used as a means of experimentation , relating to or having the characteristics of experiment ; tentative , ~ly adverb
EXPERIMENTAL
Meaning of EXPERIMENTAL in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012