英和和英

発音

• (General American) IPA^(key): /ˈoʊ.vɚˌspid/
• (Received 発音) IPA^(key): /ˌəʊ.vəˈspiːd/
• ハイフネーション: over‧speed

動詞

overspeed (third-person singular simple present overspeeds, present participle overspeeding, simple past and past participle (主に米国用法) oversped or (主に英国用法) overspeeded)

1. (intransitive) To travel excessively fast or beyond the permitted rate.
   • 1691, John Evelyn, Kalendarium Hortense:

     Caully-flowers over-speeding to pome and head..should be quite erradicated ^{[sic – meaning eradicated]}.

2. (usually transitive, sometimes intransitive, chiefly mechanics) To operate an engine or machine too fast.
   • 1949, A. C. Walshaw, Heat Engines (3 ed.):

     The device should be periodically tested by overspeeding the engine say once a month.

3. (India, intransitive) To speed; to drive a vehicle faster than the permitted speed limit.

名詞

overspeed (countable かつ uncountable, 複数形 overspeeds)

1. Speed that exceeds a reasonable or permitted rate.
   • 1826, Samuel Weller Singer, The Dramatic Works Of William Shakespeare: Macbeth. Hamlet, Prince Of Denmark. King Lear...:

     Trashes are clogs strapped round the neck of a dog to prevent his overspeed.

   • 1961 July, “The Hymek Type 3 diesel locomotive for the Western Region”, in Trains Illustrated, page 437:

     Protection devices are provided for engine and locomotive overspeed (maximum service speed is set at 90 m.p.h.); [...].

   • 2022 December 14, “Network News: RAIB issues briefing on emergency speed restrictions”, in RAIL, number 972, page 16:

     Investigating four 'overspeed' incidents during hot weather on July 18/19, RAIB discovered that confusion over where the BESRs [blanket emergency speed restrictions] started and finished, as well as the routes to which they applied, were contributory factors. […] There were no consequences from the overspeeds, [resulting from the BESRs] which had been put in place owing to danger of buckled rails.

反意語

• underspeed

参照

• “overspeed”, in OED Online ⁠, Oxford, Oxfordshire: Oxford University Press, launched 2000.
• “overspeed”, in OED Online ⁠, Oxford, Oxfordshire: Oxford University Press, launched 2000.
• “overspeed”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.