amplifier
gb/ˈæmpləfˌaɪɚ/ us/ˈæmpləfˌaɪɚ/
B2
English
erősítő, felerősítő tényező, jelerősítő
NOUN
B2
1
erősítő
B1
Usage pattern:
an amplifier (for) [speakers/headphones/instrument]
He connected the turntable to the amplifier and then to the speakers.
A lemezjátszót az erősítőhöz csatlakoztatta, az erősítőt pedig a hangszórókhoz.
The guitarist turned the amplifier up until the room shook.
A gitáros addig tekerte fel az erősítőt, hogy beleremegett a szoba.
This headphone amplifier gives cleaner sound at higher volumes.
Learner examples
The amplifier makes the music louder.
Az erősítő hangosabbá teszi a zenét.
I need an amplifier for these speakers.
Kell egy erősítő ezekhez a hangszórókhoz.
Common mistake:
Learners sometimes confuse an amplifier (which boosts the signal) with a loudspeaker (which produces the sound).
Meaning
device that makes sound louder
Collocations
audio amplifier
|stereo amplifier
|guitar amplifier
|bass amplifier
|headphone amplifier
|integrated amplifier
|tube amplifier
|solid-state amplifier
|turn up the amplifier
|plug into an amplifier
Synonyms
amp (Informal short form, common in music and audio.)
Antonyms
attenuator (A device that reduces signal level rather than increasing it.)
Themes
technology
|music
|electronics
Definition
a machine that makes sound louder
A piece of electronic equipment that increases the power of an audio signal so that it can drive speakers or headphones and be heard more loudly.
NOUN
C1
TECHNICAL
2
erősítő
B2
Usage pattern:
an amplifier for [signal/frequency/band]
The receiver uses an amplifier to strengthen the weak radio signal.
A vevő egy erősítőt használ a gyenge rádiójel felerősítésére.
A low-noise amplifier is placed near the antenna to reduce interference.
Egy alacsony zajú erősítőt az antenna közelébe helyeznek a zavarok csökkentése érdekében.
The sensor output was too small, so they added an amplifier circuit.
Learner examples
This amplifier makes the signal stronger.
Ez az erősítő felerősíti a jelet.
Common mistake:
In technical contexts, an amplifier strengthens an existing signal; it does not create a new signal from nothing.
Meaning
circuit that boosts a signal
Collocations
signal amplifier
|power amplifier
|voltage amplifier
|current amplifier
|RF amplifier
|low-noise amplifier
|operational amplifier
|amplifier gain
|amplifier circuit
|amplifier stage
Synonyms
signal booster (Common in everyday tech talk, often for wireless or TV signals.)
Antonyms
signal attenuator (A component used to reduce a signal level.)
Themes
technology
|electronics
|engineering
Definition
an electronic part that makes a signal stronger
An electronic circuit or device that increases the strength of an electrical signal, such as voltage, current, or power.
NOUN
C1
3
Usage pattern:
[something] is an amplifier of [something]
Social media can be an amplifier of both good information and harmful rumors.
A közösségi média felerősítheti mind a hasznos információkat, mind a káros pletykákat.
Long-term stress acts as an amplifier of minor health problems.
A tartós stressz felerősítheti a kisebb egészségi problémákat.
The tight deadline became an amplifier for tensions within the team.
Learner examples
Bad news can be an amplifier of fear.
A rossz hírek felerősíthetik a félelmet.
Common mistake:
In this figurative sense, amplifier is usually used with abstract nouns (e.g., stress, conflict), not with physical sound.
Meaning
thing that increases an effect
Collocations
an amplifier of fear
|an amplifier of conflict
|an amplifier of inequality
|a powerful amplifier
|a major amplifier
|social media as an amplifier
|an amplifier effect
Synonyms
catalyst (Suggests speeding up change or triggering it, not just making it louder/stronger.)
|
intensifier (Emphasizes increased intensity; common in general writing.)
Antonyms
dampener (Something that reduces intensity or enthusiasm.)
Themes
society
|communication
|emotions
Definition
something that makes an effect stronger
Something that makes a situation, feeling, or effect stronger or more intense.
NOUN
B2
4
jelerősítő
B2
Usage pattern:
an amplifier for [TV/Wi‑Fi/cell signal]
We bought a TV signal amplifier because the reception was poor.
Vettünk egy TV-jelerősítőt, mert rossz volt a vétel.
A small antenna amplifier improved the picture quality immediately.
Egy kis antennaerősítő azonnal javított a képminőségen.
In rural areas, a cell-signal amplifier can help you get a stable connection.
Learner examples
We use an amplifier to get a stronger signal.
Jelerősítőt használunk, hogy erősebb legyen a jel.
Common mistake:
People often call these 'amplifiers' even when the product name is 'booster' or 'repeater'.
Meaning
device that boosts a weak signal
Collocations
TV signal amplifier
|antenna amplifier
|Wi‑Fi amplifier
|cell signal amplifier
|indoor amplifier
|install an amplifier
|need an amplifier
|use an amplifier with an antenna
Synonyms
booster (More common in consumer products (e.g., Wi‑Fi booster, cell booster).)
|
repeater (Typically re-transmits a signal rather than simply increasing its level.)
Antonyms
blocker (Something that prevents signals from passing through.)
Themes
technology
|daily_life
|telecommunications
Definition
a device that makes a weak signal stronger
A device used to increase the strength of a weak broadcast or wireless signal so it can be received more clearly or over a longer distance.
Grammar
Dictionary form
amplifier
IPA
GB/ˈæmpləfˌaɪɚ/
US/ˈæmpləfˌaɪɚ/
Syllables & stress
amp - li - fi - er (4 syllables)
Stress on 1st syllable (amp)
Word forms
Noun
- Base: amplifier
- Plural: amplifier, amplifiers
Word family
Forms
amplifiers
noun
Core family
amplify
verb B2
amplification
noun C1
Negative and opposite forms
unamplified
adjective
Expressions
audio amplifier
1/ˈɔdioʊ ˈæmpləfˌaɪɚ/
fixed phrase
amplifier for sound signals
an amplifier used for sound
Examples
- An audio amplifier sits between the source and the speakers.
- This audio amplifier has separate controls for bass and treble.
- They chose an audio amplifier with enough power for outdoor events.
Learner examples
- I bought an audio amplifier for my speakers.
guitar amplifier
1/ɡɪtˈɑɹ ˈæmpləfˌaɪɚ/
fixed phrase
amp for an electric guitar
an amplifier for an electric guitar
Examples
- She plugged her Strat into a guitar amplifier and tested a few chords.
- A small guitar amplifier is enough for practice at home.
- He mic’d the guitar amplifier for the live recording.
Learner examples
- My guitar amplifier is very loud.
integrated amplifier
1/ˈɪntɪɡɹˌeɪtɪd ˈæmpləfˌaɪɚ/
fixed phrase
amp combining preamp and power amp
one unit that does two amplifier jobs
Examples
- An integrated amplifier is a simple choice if you don’t want separate components.
- He bought an integrated amplifier with a built-in phono stage.
- The integrated amplifier has enough power for bookshelf speakers.
operational amplifier
1/ˌɑpɚˈeɪʃənəl ˈæmpləfˌaɪɚ/
fixed phrase
technical
high-gain analog circuit component
an electronic part used in many circuits
Examples
- The filter is built around an operational amplifier with feedback resistors.
- An operational amplifier can be configured as a buffer to prevent signal loss.
- She learned the basics of operational amplifiers in her first electronics class.
power amplifier
1/pˈaʊɚ ˈæmpləfˌaɪɚ/
fixed phrase
technical
amplifier that drives speakers
an amplifier that gives high output power
Examples
- The system uses a separate power amplifier for the main speakers.
- In a transmitter, the power amplifier boosts the signal before it reaches the antenna.
- They replaced the power amplifier after it started overheating.
Learner examples
- This power amplifier can drive big speakers.
signal amplifier
1/sˈɪɡnəl ˈæmpləfˌaɪɚ/
fixed phrase
device that strengthens a signal
a device that makes a signal stronger
Examples
- A signal amplifier can help if your antenna cable run is very long.
- They installed a signal amplifier to reduce dropouts in the conference room.
- This signal amplifier is designed for indoor use only.
Learner examples
- We need a signal amplifier in this building.