Mouses vs. Mice: What’s the Correct Plural of Mouse?

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Written By kazam

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Introduction

Have you ever paused mid-sentence, wondering whether to say “mouses” or “mice” when talking about your computer mouse? You’re not alone. The plural of mouse can be confusing because it applies to both a small rodent and a computer device. But which is correct? And why does this debate even exist?

This article dives deep into mouses vs mice, exploring language evolution, grammatical rules, and real-world usage. By the end, you’ll confidently choose the right term, whether you’re discussing tiny animals or computer devices.


Understanding the Word “Mouse”

The word “mouse” has two primary meanings:

  • Animal mouse – A small rodent belonging to the rodent family, known for its tiny size and quick movements.
  • Computer mouse – A peripheral device that controls the computer cursor, allowing users to navigate screens effortlessly.

While both share the same name, their plural forms have led to a long-standing debate.

Read More About This Article: Long Term or Long-Term: Which One is Correct?

The Correct Plural of Mouse in Different Contexts

When Referring to the Animal Mouse

In English, the plural of animal mouse is always mice. This follows an irregular pluralization pattern found in words like:

SingularPlural
MouseMice
LouseLice
GooseGeese

Why “Mice” Instead of “Mouses”?

The word mouse comes from Old English “mūs” (pronounced “moos”), and its plural was “mȳs” (similar to “mice”). Over time, English kept this irregular plural, making “mice” the correct form.

Example Sentences:

  • The tiny animals scurried across the floor.
  • Scientists often study mice in labs due to their genetic similarities to humans.

When Referring to the Computer Mouse

For a computer mouse, things get tricky. Technically, both mice and mouses have been used. However, mice is the dominant form today.

Why the Confusion?

  1. Early Debate – When computer mice were first introduced, English speakers were unsure whether to follow the animal mouse rule.
  2. Technical Jargon – Some computer professionals used mouses to avoid confusion.
  3. Industry Usage – Most major tech companies and style guides prefer mice.

Real-World Usage

SourcePreferred Plural
Oxford English DictionaryMice
Microsoft DocumentationMice
General UsersMice (common) / Mouses (rare)

Example Sentences:

  • Many computer devices require mice to function properly.
  • He bought three mouses for his gaming setup (rare usage).

Why Does the Confusion Exist?

The debate stems from English’s irregular pluralization rules. Normally, nouns ending in -ouse take -ouses in the plural (e.g., houses). However, “mouse” belongs to a rare category where historical linguistic evolution plays a role.

How Language Evolves

  • Middle English Influence: Older versions of English used “mice” before computers even existed.
  • Technology’s Impact: New words (like “smartphone”) are often easier to pluralize than existing ones adapted to new meanings.
  • Grammar vs. Usage: While grammar rules suggest “mice,” everyday usage influences language over time.

The Final Verdict: Mouses or Mice?

ContextCorrect Plural
AnimalMice
ComputerMice (widely accepted)
Technical JargonMouses (rare)

Best Practice for Writers & Speakers

  • Use mice when discussing both rodents and computer peripherals.
  • If writing for a tech-specific audience, “mouses” may be acceptable but still rare.

Fun Facts About Mice & Mouses

Animal Mice

  • Mice are one of the most common rodents worldwide.
  • They have exceptional memory and can recognize human faces.
  • A small creature like a mouse can squeeze through openings as tiny as a pencil’s diameter.

Computer Mice

  • The first computer mouse was invented in 1964 by Douglas Engelbart and made of wood.
  • The term “mouse” was chosen because the cord resembled a tail.
  • Wireless mice have now largely replaced traditional wired ones.

Conclusion

The plural of mouse depends entirely on context. If you’re talking about an animal mouse, mice is the only correct form. When referring to a computer mouse, mice is the preferred choice, although mouses has occasionally been used in technical discussions.

To avoid confusion, always use mice unless you have a specific reason not to. Next time you’re discussing computer devices or tiny animals, you’ll know exactly which plural to choose!

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