Defn: By experiment; by experience or trial. J. S. Mill.

EXPERIMENTARIAN
Ex*per`i*men*ta"ri*an, a.

Defn: Relying on experiment or experience. "an experimentarian philosopher." Boyle. — n.

Defn: One who relies on experiment or experience. [Obs.]

EXPERIMENTATION
Ex*per`i*men*ta"tion, n.

Defn: The act of experimenting; practice by experiment. J. S. Mill.

EXPERIMENTATIVE
Ex*per`imen"ta*tive, a.

Defn: Experimental; of the nature of experiment. [R.]

EXPERIMENTATOR
Ex*per"i*men*ta`tor, n. Etym: [LL.]

Defn: An experimenter. [R.]