Meaning of UP in English


Function: noun

Date: 1536

1 : one in a high or advantageous position

2 : an upward slope

3 : a period or state of prosperity or success

4 : 3 UPPER

5 : a fundamental quark that has an electric charge of +2/3 and that is one of the constituents of a nucleon

Merriam Webster Collegiate English Dictionary.      Merriam Webster - Энциклопедический словарь английского языка.