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FREQUENCY
Pronunciation (US): | (GB): |
I. (noun)
Sense 1
Meaning:
The number of observations in a given statistical category
Synonyms:
absolute frequency; frequency
Classified under:
Nouns denoting quantities and units of measure
Hypernyms ("frequency" is a kind of...):
cardinal; cardinal number (the number of elements in a mathematical set; denotes a quantity but not the order)
Derivation:
frequent (frequently encountered)
frequent (coming at short intervals or habitually)
Sense 2
Meaning:
The ratio of the number of observations in a statistical category to the total number of observations
Synonyms:
frequency; relative frequency
Classified under:
Nouns denoting relations between people or things or ideas
Hypernyms ("frequency" is a kind of...):
ratio (the relative magnitudes of two quantities (usually expressed as a quotient))
Hyponyms (each of the following is a kind of "frequency"):
incidence; relative incidence (the relative frequency of occurrence of something)
Sense 3
Meaning:
The number of occurrences within a given time period
Example:
the frequency of his seizures increased as he grew older
Synonyms:
frequence; frequency; oftenness
Classified under:
Nouns denoting time and temporal relations
Hypernyms ("frequency" is a kind of...):
rate (a magnitude or frequency relative to a time unit)
Hyponyms (each of the following is a kind of "frequency"):
audio; audio frequency (an audible acoustic wave frequency)
radio frequency (an electromagnetic wave frequency between audio and infrared)
infrared; infrared frequency (the infrared region of the electromagnetic spectrum; electromagnetic wave frequencies below the visible range)
wave number (the reciprocal of the wavelength of a wave)
attendance (the frequency with which a person is present)
count per minute; counts/minute (frequency per minute)
sampling frequency ((telecommunication) the frequency of sampling a continuously varying signal)
Context examples:
The researchers saw no difference in the number and frequency of predicted side effects such as high blood calcium levels and kidney stones when they compared the vitamin D and placebo groups.
(Vitamin D does not prevent type 2 diabetes in people at high risk, National Institutes of Health)
EXAMPLE(S): severity, frequency, or specificity from what has been previously documented
(Adverse Event Unexpected Reason Code, NCI Thesaurus/BRIDG)
Conjugation of interferon to human albumin prolongs the half-life of IFNa-2b and thereby allows for a reduction in the frequency of dosing.
(Albinterferon Alfa-2b, NCI Thesaurus)
In the context of genetic studies, the exposure is the frequency of a specific genetic variant.
(Attributable Risk, NCI Dictionary)
The frequency of distal metastases is low.
(Ameloblastic Fibrosarcoma, NCI Thesaurus)
A sterilization process that uses nonionizing radiation at frequencies between 300MHz and 300GHz in the microwave region to kill microorganisms.
(Microwave Radiation Sterilization, Food and Drug Administration)
If more than one value occurs with the same greatest frequency, each value is a mode.
(Mode, NCI Thesaurus)
A stimulus that increases the frequency of a behavior that prevents or terminates its presentation.
(Negative Reinforcer, NCI Thesaurus)
Any platelet aggregation process that decreases the rate, frequency or extent of platelet aggregation.
(Negative Regulation of Platelet Aggregation Process, NCI Thesaurus)
Any microtubule process that stops, prevents or reduces the frequency, rate or extent of microtubule polymerization.
(Negative Regulation of Microtubule Polymerization, NCI Thesaurus)