We found 15 dictionaries that define the word upgrading:

General (9 matching dictionaries)

1. upgrading: Merriam-Webster
2. upgrading: Collins English Dictionary
3. upgrading: Vocabulary.com
4. Upgrading, upgrading: Wordnik
5. upgrading: Cambridge Advanced Learner's Dictionary
6. upgrading: Wiktionary
7. upgrading: Dictionary.com
8. upgrading: Cambridge Essential American English Dictionary
9. upgrading: TheFreeDictionary.com

Business (3 matching dictionaries)

10. MoneyGlossary.com (No longer online)
11. upgrading: Financial dictionary
12. upgrading: Legal dictionary

Computing (1 matching dictionary)

13. upgrading: Encyclopedia

Medicine (2 matching dictionaries)

14. upgrading: Merriam-Webster Medical Dictionary
15. upgrading: Medical dictionary

(Note: See upgrade as well.)

Definitions from Wiktionary (upgrading) ▸ noun:  The process by which something is upgraded. Similar: elevate, ascent, rise, raise, climb, kick upstairs, acclivity, promote, advance, rising slope, more... Types: update, patch, upgrade, improvement, correction, amendment, more... Phrases: software upgrading, Slum upgrading, more... Adjectives: technological, industrial, general, continuous, educational, substantial, constant, major, significant, occupational, further Colors:     silver,     gold,     platinum,     titanium,     chrome, more... ▸ Words similar to upgrading ▸ Usage examples for upgrading ▸ Idioms related to upgrading ▸ Wikipedia articles (New!) ▸ Popular adjectives describing upgrading ▸ Words that often appear near upgrading ▸ Rhymes of upgrading ▸ Invented words related to upgrading