noun🔗ShareA central room or space in ancient Roman homes, open to the sky in the middle; a similar space in other buildings."The sunlight streamed down into the hotel's spacious atrium, creating a bright and welcoming atmosphere. "architecturebuildingplaceChat with AIVocabulary GamePractice Reading
noun🔗ShareA square hall lit by daylight from above, into which rooms open at one or more levels."The school's atrium, with its large glass roof, was a bright and airy space where students gathered before class. "architecturebuildingChat with AIVocabulary GamePractice Reading
noun🔗ShareA cavity, entrance, or passage."The doctor asked me to wait in the hospital's atrium before my appointment. "architecturebuildingpartChat with AIVocabulary GamePractice Reading
noun🔗ShareAny enclosed sexine and nexine layers, widening toward the interior of the grain."The pollen grain, viewed under a powerful microscope, revealed a distinct atrium, its interior space widening like a small cave within the outer layers. "biologyplantseedstructureanatomypartChat with AIVocabulary GamePractice Reading
