emulator
C1Technical, Computing (primary); Formal/General (secondary, figurative use).
Definition
Meaning
A piece of software or hardware that allows one computer system (the host) to behave like another computer system (the guest), enabling it to run programs or use peripherals designed for the guest system.
More broadly, any person or thing that imitates or replicates the function or behaviour of another. Also used figuratively for someone who seeks to equal or surpass another's achievements.
Linguistics
Semantic Notes
Primarily a computing/electronics term. The verb form 'emulate' is more common in general language, meaning to match or surpass a person or achievement, typically by imitation.
Dialectal Variation
British vs American Usage
Differences
No significant difference in core computing meaning. Spelling is identical. In non-technical contexts, 'emulate' (verb) is used more frequently than 'emulator' (noun) in both varieties.
Connotations
Neutral to positive in technical contexts (enabling compatibility/access). Can carry a slightly formal or ambitious tone in figurative use (e.g., 'an emulator of classical virtues').
Frequency
Higher frequency in technical writing and discourse in both regions. Equally low frequency in everyday non-technical conversation.
Vocabulary
Collocations
Grammar
Valency Patterns
[emulator] of [system/game][run/use/install] an [emulator][emulator] for [platform]Vocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Usage
Context Usage
Business
Rare. Might appear in IT strategy discussions regarding legacy system compatibility.
Academic
Common in computer science, software engineering, and digital preservation literature.
Everyday
Uncommon outside of gaming or tech enthusiast circles.
Technical
The primary register. Ubiquitous in computing, software development, and retro-gaming communities.
Examples
By Part of Speech
verb
British English
- This software can emulate several classic gaming consoles.
- The new chip is designed to emulate the behaviour of its predecessor.
American English
- This software can emulate several classic gaming consoles.
- The new chip is designed to emulate the behavior of its predecessor.
adjective
British English
- The emulator software is surprisingly accurate.
- We faced an emulator compatibility issue.
American English
- The emulator software is surprisingly accurate.
- We faced an emulator compatibility issue.
Examples
By CEFR Level
- I use an emulator to play old video games on my laptop.
- The emulator makes my new computer act like an old one.
- Setting up the Android emulator was crucial for testing our mobile app on different virtual devices.
- He is a great emulator of his mentor's teaching style, though he adds his own innovations.
- Legal scholars debate the copyright implications of using a BIOS emulator to run proprietary software.
- The museum's digital preservation team employs hardware emulators to ensure future access to obsolete electronic literature.
Learning
Memory Aids
Mnemonic
Think: 'EMULAtor lets you EMULate something else.' It turns your computer into an actor (the '-ator' part) that plays the role of another machine.
Conceptual Metaphor
A CHAMELEON (changes its appearance/behaviour to match another system). A TIME MACHINE (allows access to old software/hardware).
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Do not confuse with 'имитатор' (simulator) in all contexts, though it can be a translation. The computing term is often transliterated as 'эмулятор'.
- The verb 'to emulate' is 'подражать' or 'соревноваться', but the noun 'emulator' is specifically a technical tool, not just a person who imitates.
Common Mistakes
- Misspelling as 'immulator'.
- Confusing 'emulator' (makes one system behave like another) with 'simulator' (models a system or environment).
- Using it as a general synonym for 'imitator' in non-technical writing, which can sound unnatural.
Practice
Quiz
Which of the following is the most accurate description of an 'emulator' in computing?
FAQ
Frequently Asked Questions
The legality is complex and varies by jurisdiction. The emulator software itself can be legal, but using it to run copyrighted games (ROMs) you do not own is generally illegal.
An emulator replicates the original hardware/software environment precisely enough to run original programs. A simulator models the behaviour or characteristics of a system for study or training, but may not execute original code.
Yes, but this is a formal or literary use. It means someone who imitates or strives to equal another, as in 'He was an emulator of classical philosophers.' In everyday language, 'imitator' is more common.
They are related concepts. Emulation mimics different hardware, allowing an OS to run on a foreign CPU. Virtualisation (like VMware) partitions a single physical machine to run multiple instances of the same or similar OSes. Virtualisation is typically faster as it doesn't need to translate CPU instructions.