English - Vietnamese Dictionary
frequencies'frɪːkwənsɪAdvanced English Dictionary
+the number of occurrences within a given time period
+the ratio of the number of observations in a statistical category to the total number of observations
+the number of observations in a given statistical category
+ noun (plural frequencies)Collocation Dictionary
1 [U, C] the rate at which sth happens or is repeated: Fatal road accidents have decreased in frequency over recent years. + a society with a high / low frequency (= happening often / not very often) of stable marriages
2 [U] the fact of sth happening often: the alarming frequency of computer errors + Objects like this turn up at sales with surprising frequency.
3 [C, U] (technical) the rate at which a sound wave VIBRATES (= moves up and down): a high / low frequency
4 [C, U] (technical) the number of radio waves for every second of a radio signal: a frequency band + There are only a limited number of broadcasting frequencies.
1 rate at which sth happens
great | increased, increasing | relative
The relative frequency of this illness in the area is of concern to all doctors.
Bullets bounced off the rock with alarming frequency.
VERB + FREQUENCY
decrease in, increase in
Crime increases in frequency in less settled neighbourhoods.
| decrease, increase, reduce
The drug can reduce the frequency and severity of attacks.
Accidents of this sort are happening with increasing frequency.
2 of a wave
high, low | ultrasonic | microwave, radio, television, vibration, wave | signal
FREQUENCY + NOUN
range | band
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