Boron, Silicon, or Germanium
This page is the CodyCross answer for the clue below from Performing Arts, Group 899, Puzzle 1 (Repertoire).
Question is: Boron, Silicon, or Germanium
and the answer is: METALLOID
Word Meaning:
METALLOID — (chemistry) An element, such as silicon or germanium, intermediate in properties between that of a metal and a nonmetal; especially an elemental semiconductor.
Definitions from Wiktionary.