WordReference Random House Unabridged Dictionary of American English © 2025
si•li•ci•um
(sə lish′ē əm, sə lis′-),USA pronunciation n. (formerly)
- Chemistrysilicon.
- Neo-Latin; see silica, -ium
- 1800–10
'silicium' also found in these entries (note: many are not synonyms or translations):