different between headway vs frequency

English

Etymology

Partly from Middle English hauedwei, from Old English h?afodwe? (“head-road, main-road”), equivalent to head +? way; partly as a shortening of ahead-way, the source of the nautical sense.

Noun

headway (countable and uncountable, plural headways)

1. Movement ahead or forward.
2. (nautical) Forward motion, or its rate.
3. (countable, transport) The interval of time or distance between the fronts of two vehicles (e.g. buses) moving in succession in the same direction, especially along the same pre-determined route.
4. (uncountable, figuratively) Progress toward a goal.
5. (countable) The clearance beneath an object, such as an arch, ceiling or bridge; headroom.
6. (coal-mining) A cross-heading.

Derived terms

• make headway

Translations

See also

• seaway

References

• “headway”, in Lexico, Dictionary.com; Oxford University Press, 2019–present.

English

Alternative forms

• frequence (obsolete)

Etymology

From Latin frequentia, from frequens.

Pronunciation

• enPR: fr??kw?n-s?, IPA^(key): /?f?i?kw?nsi/

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 ${\displaystyle n}$ a periodic phenomenon occurs over the time ${\displaystyle t}$ in which it occurs: ${\displaystyle f=n/t}$.
   • The frequency of the musical note A above middle C is 440 oscillations per second.
   • The frequency of a wave is its velocity ${\displaystyle v}$ divided by its wavelength ${\displaystyle \lambda }$: ${\displaystyle f=v/\lambda }$.
   • 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)

Synonyms

• (rate of occurrence): oftenness; see also Thesaurus:commonness
• freq

Antonyms

• (rate of occurrence): period

Derived terms

• dual-frequency

Related terms

• frequent
• frequentative
• frequenter

Translations

See also

• cadence
• commonness
• occurrence
• periodicity

Further reading

• 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

Anagrams

• quefrency