also: ケイかぶつ
noun
silicide
Technical term in chemistry and materials science for a compound of silicon with a more electropositive element.
ニッケル珪化物は半導体材料として研究されている。
Nickel silicide is being studied as a semiconductor material.
Compound of 珪素 (keiso, 'silicon') + 化物 (kabutsu, 'compound'). The kanji 珪 is used specifically for silicon in chemical contexts.