出典:Wiktionary
出典:『Wiktionary』 (2026/04/24 23:22 UTC 版)
Learned borrowing from New Latin silicium, from Latin silex (“flint”) + -ium. Coined by British chemist Humphry Davy in 1808
| Chemical element |
|---|
| Si Atomic number 14 silicium |
| Previous: ← aluminium (Al) |
| Next: phosphorus (P) → |
Second-declension noun (neuter).
| singular | plural | |
|---|---|---|
| nominative | silicium | silicia |
| genitive | siliciī | siliciōrum |
| dative | siliciō | siliciīs |
| accusative | silicium | silicia |
| ablative | siliciō | siliciīs |
| vocative | silicium | silicia |