Definition of Mutex
Quick Meaning of Mutex
A lock that ensures only one program thread accesses shared data at a time to prevent conflicts.
Detailed Definition of Mutex
A mutual exclusion lock used in concurrent programming to prevent multiple threads from accessing shared resources simultaneously.
How to Pronounce Mutex
Stress pattern: Os (2-syllable word).
Tip: Pronounced like 'MY-tex' or 'MYOO-tex'. Not 'moo-tex' or 'mut-sex'.
Watch out: moo-TEX (stress on second syllable) instead of MY-tex
Origin and Etymology of Mutex
Abbreviation of mutual exclusion (mutex); coined in concurrent programming to solve thread synchronization.
How to Use Mutex in a Sentence
Each example shows “mutex” with a CEFR level so learners can pick examples that match their fluency.
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“The program uses a mutex to protect the shared counter from race conditions.”
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“When a thread acquires the mutex, other threads must wait until it releases it.”
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“Incorrect mutex usage can lead to deadlocks or data corruption in multi-threaded applications.”
Synonyms and Antonyms of Mutex
Common Synonyms for Mutex
Smart Synonyms for Mutex — When to Use Each
- lock
- General primitive; mutex is binary
- semaphore
- Can allow multiple threads access
- monitor
- Higher-level abstraction than mutex
Common Collocations with Mutex
These phrases pair with “mutex” in everyday English:
- acquire a mutex
- release the mutex
- mutex lock
- mutex contention
- protect with mutex
Common Mistakes When Using Mutex
Even fluent speakers slip up with “mutex”. Here’s how to avoid the most common errors:
- ✗ Wrong: We used a mutex to improve performance.
- ✓ Correct: We used a mutex to prevent race conditions and ensure data consistency.
- Why: Mutexes prevent bugs, not improve speed; they add locking overhead.
- ✗ Wrong: Multiple threads can hold the same mutex.
- ✓ Correct: Only one thread can hold a mutex at a time; others wait for release.
- Why: Mutual exclusion means exactly one thread holds mutex.
Words Confused With Mutex
- Mutex vs Semaphore: Mutex is binary; semaphores have a counter for multiple accessors.
Other Forms of Mutex
- Noun: mutex
Frequently Asked Questions About Mutex
What is the meaning of "Mutex"?
A lock that ensures only one program thread accesses shared data at a time to prevent conflicts.
How do you pronounce "Mutex"?
The IPA is /ˈmjuːtɛks/. Pronounced like 'MY-tex' or 'MYOO-tex'. Not 'moo-tex' or 'mut-sex'.
What part of speech is "Mutex"?
"Mutex" is a noun at B2 level (Common European Framework).
What are synonyms for "Mutex"?
Common synonyms include lock, semaphore, synchronization.
How do you use "Mutex" in a sentence?
For example: "The program uses a mutex to protect the shared counter from race conditions."