Noun: atrium
| Singular | atrium |
| Plural | atria; atriums |
Sample Sentences
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an atrium of the infundibula of the lungs
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Nexine 0.5μ thick, separating from the sexine about 5μ from the pore and forming a deep, well-defined atrium. [1965, Janet Kircher Warter, Palynology of a Lignite of Lower Eocene (Wilcox) Age from Kemper County, page 52:]
Nouns inflected like atrium
septum,
sacrum,
scutum,
signum,
philtrum,
effluvium,
preferendum,
tricennium,
fenestrum,
prooemium,
pseudoperidium,
vomitorium,
gubernium,
protocerebrum,
addendum,
pallium,
pabulum,
refugium,
decorum,
fumigatorium, etc. (List truncated at 20 nouns)
Etymology
From Latin ātrium (“entry hall”), from Etruscan. See: Latin Nouns '
ātrium'.