__ Chip, Wafer Used in Integrated Circuits
Puzzle 8 of The 1950s Hard Pack
Question is: __ Chip, Wafer Used in Integrated Circuits
and the answer is: SILICON
Word Meaning:
SILICON — (chemistry, uncountable) A nonmetallic element (symbol Si) with an atomic number of 14 and atomic weight of 28.0855.
Definitions from Wiktionary.