珪土
Japanese
| Kanji in this term | |
|---|---|
| 珪 | 土 |
| けい Hyōgai (ateji) |
ど Grade: 1 |
| kan'on | kan'yōon |
Etymology
Partial calque of Dutch keiaarde (literally “cobble, cobblestone + earth”) as a compound of 珪 (kei, “silicon”) + 土 (do, “earth, soil”). Coined by Japanese scientist Udagawa Yōan in 1837 in his book 舎密開宗 (Seimi Kaisō, “Introduction to Chemistry”).
Pronunciation
Noun
珪土 • (keido)
- (obsolete) silica, silicon dioxide
- Synonym: シリカ (shirika)