revivification

NOUN /rɪ,vɪvəfə'keɪʃən/
14 LETTERS · 6 SYLLABLES · STARTS WITH R

revivification is a valid 14-letter word worth 25 points in Scrabble and 29 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
R1E1V4I1V4I1F4I1C3A1T1I1O1N1
1 + 1 + 4 + 1 + 4 + 1 + 4 + 1 + 3 + 1 + 1 + 1 + 1 + 1 =25 PTS
DOUBLE WORD → 50TRIPLE WORD → 75
MEANING

What does revivification mean?