速度

Chinese

		fast; rapid; quick	capacity; degree; standard
trad. (速度)		速	度
simp. #(速度)		速	度
Literally: “degree of speediness”.

Pronunciation

• Mandarin

  (Pinyin): sùdù

  (Zhuyin): ㄙㄨˋ ㄉㄨˋ

• Cantonese (Jyutping): cuk¹ dou⁶

• Hakka

  (Sixian, PFS): suk-thu

  (Hailu, HRS): sug tu^˖

• Puxian Min (Pouseng Ping'ing): sorh⁶ dou⁵
• Southern Min

  (Hokkien, POJ): sok-tō͘

  (Teochew, Peng'im): sog⁴ dou⁷

---

• Mandarin
  • (Standard Chinese)⁺
    • Hanyu Pinyin: sùdù → sùdu (toneless final syllable variant)
    • Zhuyin: ㄙㄨˋ ㄉㄨˋ → ㄙㄨˋ ˙ㄉㄨ (toneless final syllable variant)
    • Tongyong Pinyin: sùdů
    • Wade–Giles: su⁴-tu⁵
    • Yale: sù-du
    • Gwoyeu Romatzyh: suh.duh
    • Palladius: суду (sudu)
    • Sinological IPA ^(key): /su⁵¹⁻⁵³ tu⁵¹/ → /su⁵¹ d̥u¹/
• Cantonese
  • (Standard Cantonese, Guangzhou–Hong Kong)⁺
    • Jyutping: cuk¹ dou⁶
    • Yale: chūk douh
    • Cantonese Pinyin: tsuk⁷ dou⁶
    • Guangdong Romanization: cug¹ dou⁶
    • Sinological IPA ^(key): /t͡sʰʊk̚⁵ tou̯²²/
• Hakka
  • (Sixian, incl. Miaoli and Neipu)
    • Pha̍k-fa-sṳ: suk-thu
    • Hakka Romanization System: sug^ˋ tu
    • Hagfa Pinyim: sug⁵ tu⁴
    • Sinological IPA: /suk̚² tʰu⁵⁵/
  • (Hailu, incl. Zhudong)
    • Hakka Romanization System: sug tu^˖
    • Sinological IPA: /suk⁵⁻² tʰu³³/
• Puxian Min
  • (Putian)
    • Pouseng Ping'ing: sorh⁶ dou⁵ [Phonetic: sorh⁴ dou⁵]
    • Báⁿ-uā-ci̍: so̤h-dō
    • Sinological IPA ^(key): /ɬɒʔ²¹⁻⁴² tɔu¹¹/
  • (Xianyou)
    • Pouseng Ping'ing: sorh⁶ dou⁵ [Phonetic: sorh⁷ dou⁵]
    • Sinological IPA ^(key): /ɬɒʔ²⁻⁴ tɔu²¹/
• Southern Min
  • (Hokkien)
    • Pe̍h-ōe-jī: sok-tō͘
    • Tâi-lô: sok-tōo
    • Phofsit Daibuun: sokdo
    • Sinological IPA (Xiamen): /sɔk̚³²⁻⁴ tɔ²²/
    • Sinological IPA (Quanzhou): /sɔk̚⁵⁻²⁴ tɔ⁴¹/
    • Sinological IPA (Zhangzhou): /sɔk̚³²⁻⁵ tɔ²²/
    • Sinological IPA (Taipei): /sɔk̚³²⁻⁴ tɔ³³/
    • Sinological IPA (Kaohsiung): /sɔk̚³²⁻⁴ tɔ³³/
  • (Teochew)
    • Peng'im: sog⁴ dou⁷
    • Pe̍h-ōe-jī-like: sok tōu
    • Sinological IPA ^(key): /sok̚²⁻⁴ tou¹¹/

Noun

速度

1. (physics) velocity
2. (in general) speed; rate; pace

   建議速度／建议速度  ―  jiànyì sùdù  ―  suggested speed

Synonyms

• (speed):

edit

• 快慢 (kuàimàn)
• 速率 (sùlǜ) (physics)

Derived terms

• 初速度 (chūsùdù)
• 加速度 (jiāsùdù)
• 宇宙速度 (yǔzhòu sùdù)
• 平均速度 (píngjūn sùdù)
• 相速度 (xiàngsùdù)
• 瞬時速度 / 瞬时速度 (shùnshí sùdù)
• 第一宇宙速度 (dì-yī yǔzhòusùdù)
• 第三宇宙速度 (dì-sān yǔzhòusùdù)
• 第二宇宙速度 (dì-èr yǔzhòusùdù)
• 線速度 / 线速度 (xiànsùdù)
• 群速度 (qúnsùdù)
• 角速度 (jiǎosùdù)
• 速度計 / 速度计 (sùdùjì)

Descendants

Sino-Xenic (速度):

• → Japanese: 速(そく)度(ど) (sokudo)
• → Korean: 속도(速度) (sokdo)
• → Vietnamese: tốc độ (速度)

Japanese

Kanji in this term
速	度
そく Grade: 3	ど Grade: 3
on'yomi

Pronunciation

• IPA^(key): [so̞kɯ̟do̞]
• (Tokyo) そくど [sóꜜkùdò] (Atamadaka – [1])

Noun

速(そく)度(ど) • (sokudo) 

1. speed; velocity
2. (physics) velocity

Synonyms

• スピード (supīdo)

Derived terms

• 速度計(そくどけい) (sokudokei): speedometer
• 速度制限(そくどせいげん) (sokudoseigen): speed limit
• 速度違反(そくどいはん) (sokudoihan)
• 初速度(しょそくど) (shosokudo): initial velocity
• 終端速度(しゅうたんそくど) (shūtansokudo): terminal velocity

See also

• 速(はや)さ (hayasa): (absolute) velocity, speed

References

• “速度”, in 漢字ぺディア [Kanjipedia]‎^[1] (in Japanese), The Japan Kanji Aptitude Testing Foundation, 2015–2026
• Ineko Kondō, Fumi Takano, Mary E. Althaus, et al. (2002), Shogakukan Progressive Japanese-English Dictionary, third edition, Tokyo: Shōgakukan, →ISBN

Korean

Hanja in this term
速	度

Noun

速度 • (sokdo) (hangeul 속도)

1. hanja form^? of 속도 (“speed”)

Vietnamese

chữ Hán Nôm in this term
速	度

Noun

速度

1. chữ Hán form of tốc độ (“speed”)