frequency
gb/fɹˈikwənsi/ us/fɹˈikwənsi/
B1
Αγγλικά
~ 2500
gyakoriság, sűrűség, frekvencia, rezgésszám
ΟΥΣΙΑΣΤΙΚΌ
B1
1
gyakoriság
B1
sűrűség
B1
Μοτίβο χρήσης:
the frequency of [something]
The frequency of buses has increased during rush hour.
Csúcsidőben nőtt a buszjáratok sűrűsége.
Doctors recommend regular exercise at a frequency of three times a week.
Az orvosok rendszeres testmozgást javasolnak heti három alkalommal.
This radio works on a frequency of 101.4 FM.
The frequency of earthquakes in this region has risen.
We measured the frequency of her visits to the library.
Παραδείγματα για μαθητές
The frequency of the trains is every 10 minutes.
A vonatok tízpercenként járnak.
I listen to music on this radio frequency.
Ezen a rádiófrekvencián hallgatok zenét.
The frequency of rain is high in April.
We check the machine’s frequency every week.
Συχνό λάθος:
Learners sometimes confuse 'frequency' with 'speed'. Frequency is how often something happens, not how fast it happens.
Σημασία
Rate of occurrence over time
Συνδυασμοί λέξεων
high frequency
|low frequency
|frequency range
|frequency band
|frequency measurement
Συνώνυμα
rate (More general term for speed or pace of occurrence; not limited to repeated events.)
|
occurrence rate (Specifically refers to how often something happens, similar to 'frequency' but more formal.)
Αντώνυμα
rarity (Refers to something happening very seldom, opposite of high frequency.)
Θέματα
science
|statistics
|daily life
|core_vocabulary
Ορισμός
How often something happens during a certain time.
The number of times something happens or is repeated in a particular period or within a given sample.
ΟΥΣΙΑΣΤΙΚΌ
B2
TECHNICAL
2
frekvencia
B2
rezgésszám
C1
Μοτίβο χρήσης:
[wave/signal] frequency
The radio operates on a frequency of 98.3 MHz.
A rádió 98,3 MHz-es frekvencián működik.
Bats use high-frequency sounds to navigate.
A denevérek magas frekvenciájú hangokat használnak a tájékozódáshoz.
This device can detect frequencies up to 20 kHz.
We adjusted the frequency to get a clearer signal.
Παραδείγματα για μαθητές
The TV works on this signal frequency.
A tévé ezen a jelfrekvencián működik.
We measure the sound's frequency in hertz.
A hang frekvenciáját hertzben mérjük.
A high frequency sound can be hard to hear.
The radio changes to a different frequency.
Συχνό λάθος:
Learners may confuse 'frequency' with 'volume' when talking about sound. Frequency is how fast the waves repeat, volume is how loud it is.
Σημασία
Wave cycles per second
Συνδυασμοί λέξεων
radio frequency
|signal frequency
|ultrasonic frequency
|sound frequency
Συνώνυμα
pitch (In sound context, refers to perceived highness or lowness, related to frequency but subjective.)
Αντώνυμα
wavelength (Inverse physical property related to frequency; higher frequency means shorter wavelength.)
Θέματα
science
|technology
Ορισμός
How many times a wave repeats in one second, measured in hertz.
The number of complete oscillations or cycles of a wave that occur in one second, measured in hertz.
Γραμματική
Λημματική μορφή
frequency
IPA
GB/fɹˈikwənsi/
US/fɹˈikwənsi/
Συλλαβές και τόνος
fre - quency (2 συλλαβές)
Stress on 1st syllable (fre)
Τύποι λέξης
Noun
- Base: frequency
- Plural: frequencies, frequency
Οικογένεια λέξεων
Forms
frequencies
noun
Core family
frequent
adjective B1
frequently
adverb A2
Negative and opposite forms
infrequent
adjective
infrequently
adverb
Εκφράσεις
high frequency
1/hˈaɪ fɹˈikwənsi/
fixed phrase
Happening often or fast cycles
Happening very often, or with many cycles per second (in science).
Παραδείγματα
- High-frequency trading happens in milliseconds.
- This machine works at a high frequency.
low frequency
1/lˈoʊ fɹˈikwənsi/
fixed phrase
Happening rarely or slow cycles
Happening not often, or with few cycles per second (in science).
Παραδείγματα
- Low-frequency sounds can travel long distances.
- Low-frequency events are harder to study.
radio frequency
1/ɹˈeɪdioʊ fɹˈikwənsi/
fixed phrase
technical
Electromagnetic range for communication
A range of electromagnetic waves used for sending and receiving signals like radio or TV.
Παραδείγματα
- The police use a special radio frequency for communication.
- You need to tune to the right radio frequency.