patch
PACH
/pætʃ/
A quick software update designed to fix bugs, resolve security vulnerabilities, or improve performance in an existing program.
A patch is usually a small, targeted fix applied to an existing system, rather than a major software upgrade or a complete reinstall.
The story behind the word. From the Middle English 'pacche', referring to a piece of cloth used to mend a tear in clothing. In early computing, programmers literally used physical paper tape patches or punched card modifications to fix errors in code, cementing the term in digital history.
Word relationships
- hotfix: A hotfix is an urgent patch applied to a live system to resolve an active, critical issue, while a patch can be a routine, scheduled update.
Commonly confused with
- update: An update can add new features and change functionality, whereas a patch is specifically designed to mend or fix existing errors and security holes.
Word family
- patched (adjective): Having had software fixes applied.
Collocations
- security patch
- apply a patch
- software patch
Example sentences
- "The software developer released an emergency patch to fix a critical security vulnerability in the email client." An announcement from a software vendor.
Memory hook
Think of putting a physical 'patch' over a hole in a leaky bucket to stop the water (data) from escaping. Mend a digital hole.
When not to use
Do not use to describe a complete software overhaul or a brand-new version release (e.g., moving from Windows 10 to 11 is not a patch).
Fun facts
- In the 1940s, early computer pioneer Grace Hopper and her team literally patched vacuum tube computers using physical materials, bridging the gap between textile mending and computer science.
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