FREQUENCY

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IPA (US):

 Dictionary entry overview: What does frequency mean? 

• FREQUENCY (noun)
  The noun FREQUENCY has 3 senses:

1. the number of occurrences within a given time period

2. the ratio of the number of observations in a statistical category to the total number of observations

3. the number of observations in a given statistical category

  Familiarity information: FREQUENCY used as a noun is uncommon.

 Dictionary entry details 

• FREQUENCY (noun)

Sense 1

Meaning:

The number of occurrences within a given time period

Classified under:

Nouns denoting time and temporal relations

Synonyms:

frequence; frequency; oftenness

Context example:

the frequency of his seizures increased as he grew older

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)

Sense 2

Meaning:

The ratio of the number of observations in a statistical category to the total number of observations

Classified under:

Nouns denoting relations between people or things or ideas

Synonyms:

frequency; relative frequency

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 observations in a given statistical category

Classified under:

Nouns denoting quantities and units of measure

Synonyms:

absolute frequency; frequency

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)

 Context examples 

Any cellular process that reduces the frequency, rate or extent of cell adhesion.

(Cell Adhesion Inhibition, NCI Thesaurus)

The terminology that includes terms pertaining to frequency within CDISC.

(CDISC SDTM Frequency Terminology, NCI Thesaurus/CDISC)

The terminology subset that includes terms pertaining to frequency scheduling of interventions and medications within the CDISC Standard Data Tabulation Model (SDTM).

(CDISC SDTM Frequency Terminology, NCI Thesaurus)

The increased frequency of structural chromosome aberrations can be caused by an abnormally high incidence of DNA double-strand breaks and translocations.

(Chromosomal Instability, NCI Thesaurus)

A unit of frequency expressed as a number of events per minute.

(Count per Minute, NCI Thesaurus)

NOTE(S): If the frequency is more than once a day, this is still interpreted per time, e.g.

(Defined Activity Repeat Quantity, NCI Thesaurus/BRIDG)

Short region of DNA in which the frequency of the CG sequence is higher than in other regions.

(CpG Island, NCI Thesaurus)

Mutations in TP53 are also found with high frequency (>50%) in sporadic BCC.

(Basal Cell Carcinoma Pathway, NCI Thesaurus/KEGG)

A graphic record of the softest sounds that a person can hear at various frequencies, used to measure hearing loss.

(Audiogram, NCI Thesaurus)

Signs and symptoms include fever, lower back pain, urinary frequency, and painful urination.

(Acute bacterial prostatitis, NCI Thesaurus)