energy of activation

NOUN
20 LETTERS · STARTS WITH E

energy of activation is a valid 20-letter word worth 30 points in Scrabble and 34 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
E1N1E1R1G2Y4O1F4A1C3T1I1V4A1T1I1O1N1
1 + 1 + 1 + 1 + 2 + 4 + 0 + 1 + 4 + 0 + 1 + 3 + 1 + 1 + 4 + 1 + 1 + 1 + 1 + 1 =30 PTS
DOUBLE WORD → 60TRIPLE WORD → 90
MEANING

What does energy of activation mean?

NOUN · 1 SENSE
1

The energy that an atomic system must acquire before a process (such as an emission or reaction) can occur.

“catalysts are said to reduce the energy of activation during the transition phase of a reaction”