first principles

NOUN
16 LETTERS · STARTS WITH F

first principles is a valid 16-letter word worth 24 points in Scrabble and 29 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
F4I1R1S1T1P3R1I1N1C3I1P3L1E1S1
4 + 1 + 1 + 1 + 1 + 0 + 3 + 1 + 1 + 1 + 3 + 1 + 3 + 1 + 1 + 1 =24 PTS
DOUBLE WORD → 48TRIPLE WORD → 72
MEANING

What does first principles mean?

NOUN · 1 SENSE
1

The elementary stages of any subject (usually plural).