An alternative or archaic plural form sometimes used for aquarium, though 'aquariums' and 'aquaria' are the standard modern plurals.
A Latinized plural form of 'aquarium,' attempting to follow Latin grammatical rules with the '-ia' ending, though it never gained standard usage in English.
Language evolution is messy—early scientists tried different plural forms for 'aquarium,' and some people still occasionally use 'aquaria,' but 'aquariums' won the English plural battle!
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