What is the plural of computer mouse?

Both mice and mouses are acceptable plural forms of mouse in the context of the computer accessory (e.g., “The computer store got a shipment of mice/mouses today”).

Mice is an irregular plural noun that uses irregular pluralization rules, while mouses uses the regular pluralization rules of adding “-s” or “-es” to the end of the singular form. After the invention of the computer mouse in the 1960s, it was decided that mouses is also an acceptable plural form along with the typical plural mice.

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