We found 26 dictionaries that define the word noble gas:

General (18 matching dictionaries)

1. noble gas: Merriam-Webster
2. noble gas: Oxford Learner's Dictionaries
3. noble gas: American Heritage Dictionary of the English Language
4. noble gas: Collins English Dictionary
5. noble gas: Vocabulary.com
6. noble gas: Cambridge Advanced Learner's Dictionary
7. noble gas: Wiktionary
8. noble gas: Infoplease Dictionary
9. noble gas: Dictionary.com
10. Noble gas (data page), Noble gas: Wikipedia, the Free Encyclopedia
11. noble gas: Rhymezone
12. noble gas: Stammtisch Beau Fleuve Acronyms
13. noble gas: FreeDictionary.org
14. noble gas: Mnemonic Dictionary
15. noble gas: TheFreeDictionary.com
16. noble gas: Wordnik

Business (2 matching dictionaries)

17. Construction Term Glossary (No longer online)
18. noble gas: Legal dictionary

Computing (1 matching dictionary)

19. noble gas: Encyclopedia

Medicine (2 matching dictionaries)

20. noble gas: Merriam-Webster Medical Dictionary
21. noble gas: Medical dictionary

Science (2 matching dictionaries)

22. Noble Gas: Eric Weisstein's World of Chemistry
23. Noble gas: NRC Glossary of Nuclear Terms --

Slang (1 matching dictionary)

24. Noble Gas: Urban Dictionary

Definitions from Wiktionary (noble gas) ▸ noun:  (chemistry) Any of the elements of group 18 of the periodic table, being monatomic and (with very limited exceptions) inert. Similar: inert gas, argonon, aerogen, argon, pnictogen, nobelium, halogen, pentel, nitrogen, pnicogen, more... Opposite: reactive gas, non-noble gas, non-inert gas Phrases: Noble gas compound, more... Adjectives: vanadic, transfermium, platinum, transuranic, iron, ceric, transactinide, yttrious, nickel, silver, copper ▸ Words similar to noble gas ▸ Usage examples for noble gas ▸ Idioms related to noble gas ▸ Wikipedia articles (New!) ▸ Words that often appear near noble gas ▸ Rhymes of noble gas ▸ Invented words related to noble gas