We found 22 dictionaries that define the word extensibility:

General (13 matching dictionaries)

1. extensibility: Merriam-Webster
2. extensibility: Oxford Learner's Dictionaries
3. extensibility: Collins English Dictionary
4. Extensibility, extensibility: Wordnik
5. extensibility: Wiktionary
6. extensibility: Dictionary.com
7. Extensibility: Wikipedia, the Free Encyclopedia
8. Extensibility: Online Plain Text English Dictionary
9. extensibility: Webster's Revised Unabridged, 1913 Edition
10. Extensibility: AllWords.com Multi-Lingual Dictionary
11. extensibility: Webster's 1828 Dictionary
12. extensibility: FreeDictionary.org
13. Extensibility: TheFreeDictionary.com

Business (2 matching dictionaries)

14. extensibility: Legal dictionary
15. BusinessDictionary.com (No longer online)

Computing (1 matching dictionary)

16. extensibility: Encyclopedia

Medicine (2 matching dictionaries)

17. extensibility: Merriam-Webster Medical Dictionary
18. extensibility: Medical dictionary

Miscellaneous (1 matching dictionary)

19. extensibility: Idioms

Science (1 matching dictionary)

20. Agricultural Thesaurus and Glossary (No longer online)

Tech (2 matching dictionaries)

21. Book Binding (No longer online)
22. National Glass Association Glossary (No longer online)

(Note: See extensible as well.)

Definitions from Wiktionary (extensibility) ▸ noun:  The capability of being extended ▸ noun:  (computing) A quality of design that takes possible future advances into consideration and attempts to accommodate them Similar: extendibility, extendability, expansibility, expandability, distensibility, stretchableness, stretch, thermoexpandability, increasability, modificability, more... Opposite: inflexibility, rigidity, stiffness Types: scalability, flexibility, portability, maintainability, usability, testability, more... Adjectives: high, great, low, indefinite, maximum, limited, easy, finite, elastic, reversible, soft ▸ Words similar to extensibility ▸ Usage examples for extensibility ▸ Idioms related to extensibility ▸ Wikipedia articles (New!) ▸ Popular adjectives describing extensibility ▸ Words that often appear near extensibility ▸ Rhymes of extensibility ▸ Invented words related to extensibility