also: ちっかけいそ
noun
silicon nitride
Technical term in chemistry and materials science for the compound Si₃N₄.
窒化ケイ素は高温構造材料として使われる。
Silicon nitride is used as a high-temperature structural material.
Common mixed-kanji-katakana spelling for silicon nitride.
All-kanji spelling using 珪 for silicon; less common than the mixed form.
Compound of 窒化 (nitridation) + ケイ素/珪素 (silicon).