The correct spelling of "more aquarium" is /mɔːr əˈkwɛəriəm/. The word "more" is pronounced with a long "o" sound, followed by the "r" sound. The second syllable of "aquarium" is stressed, and the word ends with the "um" sound. The spelling of this word reflects the pronunciation, with each letter representing a distinct sound. When communicating about aquariums, it's essential to use correct spelling to ensure clear understanding between speakers or readers.