We found 20 dictionaries that define the word silicon dioxide:

General (14 matching dictionaries)

1. silicon dioxide: Merriam-Webster
2. silicon dioxide: Oxford Learner's Dictionaries
3. silicon dioxide: American Heritage Dictionary of the English Language
4. silicon dioxide: Collins English Dictionary
5. silicon dioxide: Vocabulary.com
6. silicon dioxide: Wiktionary
7. silicon dioxide: Infoplease Dictionary
8. silicon dioxide: Dictionary.com
9. Silicon dioxide: Wikipedia, the Free Encyclopedia
10. silicon dioxide: Rhymezone
11. silicon dioxide: Stammtisch Beau Fleuve Acronyms
12. silicon dioxide: FreeDictionary.org
13. silicon dioxide: Mnemonic Dictionary
14. silicon dioxide: TheFreeDictionary.com

Computing (1 matching dictionary)

15. silicon dioxide: Encyclopedia

Medicine (4 matching dictionaries)

16. silicon dioxide: Merriam-Webster Medical Dictionary
17. Medical Dictionary (No longer online)
18. online medical dictionary (No longer online)
19. silicon dioxide: Medical dictionary

Tech (1 matching dictionary)

20. silicon dioxide: Electronics

(Note: See silicon_dioxides as well.)

Definitions from Wiktionary (silicon dioxide) ▸ noun:  (chemistry) A hard glassy mineral, SiO₂, occurring as quartz, sand, opal etc. Informally known as silica. Similar: silica, silicon oxide, silicium, quartz, silica group, silicum, metasilicate, sorosilicate, orthosilicate, opal, more... ▸ Words similar to silicon dioxide ▸ Usage examples for silicon dioxide ▸ Idioms related to silicon dioxide ▸ Wikipedia articles (New!) ▸ Words that often appear near silicon dioxide ▸ Rhymes of silicon dioxide ▸ Invented words related to silicon dioxide