We found 11 dictionaries that define the word upgrader:

General (6 matching dictionaries)

1. upgrader: Collins English Dictionary
2. Upgrader, upgrader: Wordnik
3. upgrader: Wiktionary
4. upgrader: Dictionary.com
5. Upgrader: Wikipedia, the Free Encyclopedia
6. Upgrader: TheFreeDictionary.com

Business (2 matching dictionaries)

7. Upgrader: Legal dictionary
8. Upgrader: Financial dictionary

Computing (1 matching dictionary)

9. Upgrader: Encyclopedia

Medicine (1 matching dictionary)

10. Upgrader: Medical dictionary

Tech (1 matching dictionary)

11. Schlumberger Oilfield Glossary (No longer online)

Definitions from Wiktionary (upgrader) ▸ noun:  One who, or that which, upgrades. ▸ noun:  A facility that upgrades bitumen into synthetic crude oil. Similar: updater, upsizer, uplifter, increaser, upstager, upraiser, upfitter, betterer, advancer, meliorator, more... Opposite: downgrader, degrader, regressor, retrograder ▸ Words similar to upgrader ▸ Usage examples for upgrader ▸ Idioms related to upgrader ▸ Wikipedia articles (New!) ▸ Popular adjectives describing upgrader ▸ Words that often appear near upgrader ▸ Rhymes of upgrader ▸ Invented words related to upgrader