velocity

English

Etymology

veloce +‎ -ity, from Middle French vélocité, from Latin vēlōcitās (“speed”), from vēlōx (“fast”).

Pronunciation

(Received Pronunciation) IPA^(key): /vəˈlɒsəti/
(General American) IPA^(key): /vəˈlɑsəti/
Audio (US) (file)
Rhymes: -ɒsɪti

Noun

velocity (countable and uncountable, plural velocities)

(physics) A vector quantity that denotes the rate of change of position with respect to time, combining speed with a directional component.
(Can we add an example for this sense?)
Rapidity of motion.
The train was travelling at a slower velocity than usual.
Synonyms: see Thesaurus:speed
The rate of occurrence.
(economics) The number of times that an average unit of currency is spent during a specific period of time.

Synonyms

speed

Hyponyms

angular velocity
escape velocity
first cosmic velocity
hypervelocity
information velocity
instantaneous velocity
muzzle velocity
peculiar velocity
phase velocity
radial velocity
second cosmic velocity
space velocity
supervelocity
tangential velocity
terminal velocity
third cosmic velocity
ultravelocity

Derived terms

constant-velocity
four-velocity
root mean square velocity
velocimeter
velocity curve
velocity dispersion
velocity potential

Translations

vector quantity

Afrikaans: snelheid
Albanian: shpejtësia f
Aragonese: velocidat f
Armenian: արագություն (hy) (aragutʿyun)
Basque: lastertasun, abiadur
Belarusian: ско́расць (be) f (skórascʹ)
Bengali: গতিবেগ (gôtibeg)
Bulgarian: скорост (bg) f (skorost)
Burmese: အလျင် (my) (a.lyang)
Catalan: velocitat (ca) f
Chinese:
Mandarin: 速度 (zh) (sùdù)
Czech: rychlost (cs) f
Danish: hastighed (da) c
Dutch: snelheid (nl) f
Estonian: kiirus (et)
Finnish: nopeus (fi)
French: vecteur vitesse (fr) f, vélocité (fr) (anglicism)
Galician: velocidade (gl) f
Georgian: სიჩქარე (sičkare)
German: Geschwindigkeit (de) f
Greek: ταχύτητα (el) f (tachýtita), ταχύτητα (el) f (tachýtita)
Hebrew: מהירות‎ (he)
Hindi: वेग (hi) m (veg)
Hungarian: sebesség (hu)
Icelandic: hraði (is) m
Indonesian: kecepatan (id), velositas (id)
Irish: treoluas
Italian: velocità (it) f
Japanese: 速度 (ja) (そくど, sokudo)
Javanese: kacepetan, ꦏꦕꦼꦥꦼꦠꦤ꧀ (kacepetan)
Kazakh: жылдамдық (kk) (jyldamdyq)
Khmer: ល្បឿន (km) (lbɨən)
Korean: 속도(速度) (ko) (sokdo)
Latin: vēlōcitās f
Latvian: ātrums m
Malay: halaju (ms)
Malayalam: പ്രവേഗം (ml) (pravēgaṃ)
Maltese: veloċità f
Manx: bieauid
Marathi: वेग m (veg)
Nepali: गति (ne) (gati)
North Frisian: faard
Norwegian:
Bokmål: hastighet (no) m or f
Nynorsk: hastigheit m or f
Occitan: velocitat (oc) f
Polish: prędkość (pl) f
Portuguese: velocidade (pt) f
Punjabi: ਵੇਗ (veg)
Romanian: viteză (ro) f
Russian: ско́рость (ru) f (skórostʹ)
Serbo-Croatian: brzina (sh) f
Slovak: rýchlosť (sk) f
Slovene: hitrost (sl) f
Spanish: velocidad (es) f
Sundanese: ᮜᮏᮥ (laju)
Swedish: hastighet (sv) c
Tagalog: tulin (tl), hagibis, belosidad
Tajik: суръат (tg) (surʾat)
Tamil: திசைவேகம் (ta) c (ticaivēkam)
Tatar: тизлек (tt) (tizlek)
Thai: ความเร็ว (th) (kwaam-reo)
Turkish: hız (tr)
Ukrainian: швидкість f (švydkistʹ)
Uzbek: tezlik (uz)
Vietnamese: vận tốc (vi)
Welsh: cyflymder
West Frisian: snelheid c

rapidity of motion

Armenian: արագություն (hy) (aragutʿyun)
Basque: lastertasun
Belarusian: ско́расць (be) f (skórascʹ)
Bulgarian: скорост (bg) f (skorost)
Catalan: velocitat (ca) f
Chinese:
Mandarin: please add this translation if you can
Czech: rychlost (cs) f
Dutch: snelheid (nl) f
Finnish: vauhti (fi), nopeus (fi)
French: vitesse (fr) f
Galician: velocidade (gl) f
Georgian: სისწრაფე (sisc̣rape)
German: Geschwindigkeit (de) f
Greek: ταχύτητα (el) f (tachýtita)
Italian: velocità (it) f
Japanese: 速さ (ja) (はやさ, hayasa), 速度 (ja) (そくど, sokudo)
Latin: celeritās f, vēlōcitās f
Latvian: ātrums m
Maltese: veloċità f
Norwegian:
Bokmål: hastighet (no) m or f
Nynorsk: hastigheit f
Plautdietsch: Schwindichkjeit f
Portuguese: velocidade (pt) f
Russian: ско́рость (ru) f (skórostʹ), быстрота́ (ru) f (bystrotá)
Sanskrit: जव (sa) m (java)
Spanish: velocidad (es) f
Swedish: fart (sv) c
Tagalog: tulin (tl)
Vietnamese: tốc độ (vi)

the rate of occurrence

Armenian: հաճախություն (hy) (hačaxutʿyun)
Bulgarian: бързина (bg) f (bǎrzina)
Chinese:
Mandarin: please add this translation if you can
Dutch: snelheid (nl) f
Finnish: vauhti (fi)
French: fréquence (fr) f
Georgian: სიჩქარე (sičkare)
German: Frequenz (de) f, Häufigkeit (de) f
Greek: ταχύτητα (el) f (tachýtita)
Italian: velocità (it) f
Romanian: velocitate (ro) f
Russian: ско́рость (ru) f (skórostʹ), быстрота́ (ru) f (bystrotá)
Swedish: hastighet (sv) c

economics

Arabic: please add this translation if you can
Armenian: արագություն (hy) (aragutʿyun)
Chinese:
Mandarin: 周轉率 (zh), 周转率 (zh) (zhōuzhuǎnlǜ)
Czech: please add this translation if you can
Dutch: please add this translation if you can
Finnish: kiertonopeus (fi)
French: please add this translation if you can
German: Umlaufgeschwindigkeit f
Hindi: please add this translation if you can
Italian: please add this translation if you can
Japanese: please add this translation if you can
Korean: please add this translation if you can
Portuguese: velocidade (pt) f
Russian: ско́рость (ru) f (skórostʹ) (обращения денег)
Spanish: velocidad (es) f
Vietnamese: please add this translation if you can

The translations below need to be checked and inserted above into the appropriate translation tables. See instructions at Wiktionary:Entry layout § Translations.

Translations to be checked

Catalan: ^{(please verify)} velocitat (ca) f
Dutch: ^{(please verify)} snelheid (nl) f
Indonesian: ^{(please verify)} kecepatan (id)
Korean: ^{(please verify)} 속도 [速度] (sokdo)
Romanian: ^{(please verify)} viteză (ro) f
Swedish: ^{(please verify)} hastighet (sv) c
Telugu: ^{(please verify)} వేగము (te) (vēgamu) (vaegamu)