# frequency vs oftenness what difference

## English

### Alternative forms

• frequence (obsolete)

### Etymology

From Latin frequentia, from frequens.

### Pronunciation

• enPR: frĕʹkwən-sē, IPA(key): /ˈfɹiːkwənsi/

### Noun

frequency (plural frequencies)

1. (uncountable or countable) The rate of occurrence of anything; the relationship between incidence and time period.
• With growing confidence, the Viking’s raids increased in frequency.
• The frequency of bus service has been improved from one every 15 to one every 12 minutes.
2. (uncountable) The property of occurring often rather than infrequently.
• The FAQ addresses questions that come up with some frequency.
• The frequency of the visits was what annoyed him.
3. (countable) The quotient of the number of times
$n$

n

{\displaystyle n}

a periodic phenomenon occurs over the time

$t$

t

{\displaystyle t}

in which it occurs:

$f=n/t$

f
=
n

/

t

{\displaystyle f=n/t}

.

• The frequency of the musical note A above middle C is 440 oscillations per second.
• The frequency of a wave is its velocity
$v$

v

{\displaystyle v}

divided by its wavelength

$\lambda$

λ

{\displaystyle \lambda }

:

$f=v/\lambda$

f
=
v

/

λ

{\displaystyle f=v/\lambda }

.

• Broadcasting live at a frequency of 98.3 megahertz, we’re your rock alternative!
• The frequency for electric power in the Americas is generally 60 Hz rather than 50.
4. (statistics) number of times an event occurred in an experiment (absolute frequency)

• freq

#### Antonyms

• (rate of occurrence): period

#### Derived terms

• dual-frequency

#### Related terms

• frequent
• frequentative
• frequenter

#### Translations

• commonness
• occurrence
• periodicity

• Frequency (disambiguation) on Wikipedia.Wikipedia
• frequency in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.
• frequency in The Century Dictionary, New York, N.Y.: The Century Co., 1911.
• frequency at OneLook Dictionary Search

• quefrency

## English

### Etymology

often +‎ -ness. Compare Middle English oftnes (frequency).

### Noun

oftenness (uncountable)

1. (rare) The quality of happening often; frequency.