Definition of Exploratorium in English:

Exploratorium

noun

trademark
  • [usually in names] A scientific museum or similar centre where visitors have the opportunity to handle exhibits, perform prearranged experiments, etc.

Origin

1960s: coined by Frank Oppenheimer (1912–85), director of the San Francisco Exploratorium, from exploration + -orium.

Pronunciation:

Exploratorium

/ɛk-//ɪkˌsplɒrəˈtɔːrɪəm/