UPGRADE
Meaning of UPGRADE in English
n.
Pronunciation: ' ə p- ˌ gr ā d
Function: noun
Date: 1873
1 : an upward grade or slope
2 : INCREASE , RISE
3 : IMPROVEMENT 2B
Merriam Webster Collegiate English Dictionary.
Merriam Webster - Энциклопедический словарь английского языка.
2012