by experimentation

ADVERB
18 LETTERS · STARTS WITH B

by experimentation is a valid 18-letter word worth 33 points in Scrabble and 37 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
B3Y4E1X8P3E1R1I1M3E1N1T1A1T1I1O1N1
3 + 4 + 0 + 1 + 8 + 3 + 1 + 1 + 1 + 3 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 =33 PTS
DOUBLE WORD → 66TRIPLE WORD → 99
MEANING

What does by experimentation mean?

ADVERB · 1 SENSE
1

In an experimental fashion.