world expo; international exposition
Abbreviation of 万国博覧会. Refers to large-scale international exhibitions like World Expos.
See also: 万国博覧会
It was decided that a world expo would be held in Osaka.
The 2025 World Expo will be held in Osaka.
I toured the pavilions at the expo.
We went to the world expo with my family during summer vacation.
A world expo is scheduled to be held in this country next year.
万博 is the common colloquial abbreviation for a world exposition, whereas 博覧会 is the formal term usable for any scale of exhibition.
Abbreviation of 万国博覧会 (bankoku hakurankai, 'international exposition'), formed by taking the first and last kanji.