velocity

English

Etymology

From Middle French vélocité, from Latin vēlōcitās (“speed”), from vēlōx (“fast”), thus a doublet of veloce.

Pronunciation

• (Received Pronunciation) IPA^(key): /vəˈlɒsəti/
• (General American) IPA^(key): /vəˈlɑsəti/

• Audio (US)

  (file)

• Rhymes: -ɒsɪti

Noun

velocity (countable and uncountable, plural velocities)

1. (physics) A vector quantity that denotes the rate of change of position with respect to time, combining speed with a directional component.

   A car racing in a circle may retain the same speed while continually changing its velocity.

2. Rapidity of motion.

   Synonyms: see Thesaurus:speed

   The train was travelling at a slower velocity than usual.

3. The rate of occurrence.
4. (economics) The number of times that an average unit of currency is spent during a specific period of time.

Synonyms

• (rapidity of motion; rate of occurrence): speed

Hyponyms

• angular velocity
• escape velocity
• first cosmic velocity
• group velocity
• hypervelocity
• information velocity
• instantaneous velocity
• muzzle velocity
• peculiar velocity
• phase velocity
• Planck 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 (gotoibeg)
• 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) f (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) (pravēgaṁ)
• 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 (cy)
• 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／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)