A Base is a solution that has a pH value greater than 7.
See also:
"Base" is in the CPC Code "41340"
Base metals or silver, clad with gold, not further worked than semi-manufactured
"Base" is in the HS Code "4815"
Floor Coverings On A Base Of Paper Or Of Paperboard, Whether Or Not Cut To Size.
"Base" is in the UNSPSC Code "23231901"
Base bed