Answer: gallium

AnswerCrossword Clue
GALLIUMElement name derived from the Latin for "France"
GALLIUMElement in many semiconductors
galliumrare, steel-gray, trivalent metallic element used in high-temperature thermometers because of its high boiling point (1983┬░C) and low melting point (30┬░C). Symbol: Ga; at. wt.: 69.72; at. no.: 31; sp. gr.: 5.91 at 20┬░C