英和和英

語源

Borrowed from Latin fluctuatiōnem, accusative singular of fluctuatiō, from fluctuō, from fluctus. Morphologically fluctuate +‎ -ion.

発音

• IPA: /flʌkt͡ʃuːˈeɪʃən/
• 韻: -eɪʃən

名詞

fluctuation (countable and uncountable, plural fluctuations)

1. A motion like that of waves; a moving in this and that direction; an irregular rising and falling.

   the fluctuations of the sea

   • 1959 November, “Notes and News: St. Pancras-Bedford Diesel Trains”, in Railway Magazine, page 801:

     The rolling stock has been specially designed to meet the needs of the fluctuation of traffic in peak and off-peak periods.

   • 2023 November 15, Prof. Jim Wild, “This train was delayed because of bad weather in space”, in RAIL, number 996, page 30:

     The scientific instruments of the day recorded rapid fluctuations in the Earth's magnetic field, as powerful electrical currents flowed through the upper atmosphere.

2. A wavering; unsteadiness.

   fluctuations of opinion

   fluctuations of prices

3. In medicine, a wave-like motion or undulation of a fluid in a natural or abnormal cavity (e.g. pus in an abscess), which is felt during palpation or percussion.

派生語

関連する語

• fluctuate