Mainframe
nounverified·updated May 9, 2026
An industry term for a large computer, typically used for the commercial applications of businesses and other large-scale computing purposes. Generally, a mainframe is associated with centralized rather than distributed computing.
polysemousFederal Financial Institutions Examination Council (FFIEC) IT Examination Handbook Infobase, Glossary
Senses
ISACA Cybersecurity Glossary
A large high-speed computer, especially one supporting numerous workstations or peripherals
Wordset Dictionary
(computer science) the part of a computer (a microprocessor chip) that does most of the data processing
Wordset Dictionary
a large digital computer serving 100-400 users and occupying a special air-conditioned room
Classifications
Entity Type
System95%llm-generatedllm:claude-haiku-4-5
?unassignedlast reviewed —
Sensitivity
unclassified
Information Class
unclassified
Variants
- synonym
- central processing unitmainframe computer
- plural
- Mainframes
- possessive
- Mainframe's
- pluralpossessive
- Mainframes'