epitaxial transistor

20 LETTERS · STARTS WITH E

epitaxial transistor is a valid 20-letter word worth 28 points in Scrabble and 31 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

E1P3I1T1A1X8I1A1L1T1R1A1N1S1I1S1T1O1R1

1 + 3 + 1 + 1 + 1 + 8 + 1 + 1 + 1 + 0 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 =28 PTS

DOUBLE WORD → 56TRIPLE WORD → 84

MEANING

What does epitaxial transistor mean?