cycleとは

意味・読み方・使い方

発音

• IPA^(key): /ˈsaɪkəl/
• 韻: -aɪkəl

名詞

cycle (複数形 cycles)

1. An interval of space or time in which one set of events or phenomena is completed.

   the cycle of the seasons, or of the year

   • 1795, Edmund Burke, Thoughts and Details on Scarcity

     Wages […] bear a full proportion […] to the medium of provision during the last bad cycle of twenty years.

2. A complete rotation of anything.
3. A process that returns to its beginning and then repeats itself in the same sequence.

   electoral cycle

   menstrual cycle

   news cycle

   • 2013 August 10, “Legal highs: A new prescription”, in The Economist, volume 408, number 8848:

     No sooner has a [synthetic] drug been blacklisted than chemists adjust their recipe and start churning out a subtly different one. These “legal highs” are sold for the few months it takes the authorities to identify and ban them, and then the cycle begins again.

4. The members of the sequence formed by such a process.
5. (music) In musical set theory, an interval cycle is the set of pitch classes resulting from repeatedly applying the same interval class to the starting pitch class.

   The interval cycle C4 consists of the pitch classes 0, 4 and 8; when starting on E, it is realised as the pitches E, G# and C.

6. A series of poems, songs or other works of art, typically longer than a trilogy.

   The "Ring of the Nibelung" is a cycle of four operas by Richard Wagner.

7. A programme on a washing machine, dishwasher, or other such device.

   Put the washing in on a warm cycle.

   the spin cycle

8. A pedal-powered vehicle, such as a unicycle, bicycle, or tricycle, or a motorized vehicle that has either two or three wheels.

   Hyponyms: motorbike, motorcycle, unicycle, bicycle, tricycle, motortrike

9. (baseball) A single, a double, a triple, and a home run hit by the same player in the same game.

   Jones hit for the cycle in the game.

10. (graph theory) A closed walk or path, with or without repeated vertices allowed.
11. (topology, algebraic topology) A chain whose boundary is zero.
12. An imaginary circle or orbit in the heavens; one of the celestial spheres.
    • 1667, John Milton, “(please specify the book number)”, in Paradise Lost. A Poem Written in Ten Books, London: […] [Samuel Simmons], […], OCLC 228722708; republished as Paradise Lost in Ten Books: […], London: Basil Montagu Pickering […], 1873, OCLC 230729554:

      With centric and eccentric scribbled o'er, Cycle and epicycle, orb in orb

    • 1756, Edmund Burke, A Vindication of Natural Society

      There appears to be no absolute cycle in the universe ; all is change and progression. No planet ever revolves twice precisely in the same orbit

13. An age; a long period of time.
    • 1842, Alfred Tennyson, Locksley Hall

      Better fifty years of Europe than a cycle of Cathay.

14. An orderly list for a given time; a calendar.
    • 1664, J[ohn] E[velyn], “Kalendarium Hortense: Or, The Gard’ners Almanac; […] [Introduction to the Kalendar.]”, in Sylva, or A Discourse of Forest-trees and the Propagation of Timber in His Majesties Dominions. […], London: […] Jo[hn] Martyn, and Ja[mes] Allestry, printers to the Royal Society, […], OCLC 926218248, page 56:

      [H]ere we endeavour to preſent our Gard'ners with a compleat Cycle of what is requiſite to be done throughout every Moneth of the Year: [...]

15. (botany) One entire round in a circle or a spire.
    • 1857, Asa Gray, First Lessons in Botany and Vegetable Physiology:

      a cycle or set of leaves

16. (weaponry) A discharge of a taser.
    • 2014, R.T. Wyant, Thomas Burns, Risk Management of Less Lethal Options, CRC Press (→ISBN), page 211:

      Officers have made the mistake of applying many Taser cycles, expecting the suspect to relent.

17. (aviation) One take-off and landing of an aircraft, referring to a pressurisation cycle which places stresses on the fuselage.

使用する際の注意点

• (baseball sense): As in the example sentence, one is usually said to hit for the cycle. However, other uses also occur, such as hit a cycle and complete the cycle.

派生語

関連する語

派生した語

• → Japanese: サイクル (saikuru)

動詞

cycle (三人称単数 現在形 cycles, 現在分詞 cycling, 過去形および過去分詞形 cycled)

1. To ride a bicycle or other cycle.
   • 2021 July 28, Christian Wolmar, “Forgotten by the railways, but ripe for the exploring”, in RAIL, number 936, page 35:

     Well, during our short staycation at Humberston Fitties, just south of Cleethorpes, we cycled through the very unspoilt Lincolnshire Wolds, which are by no means flat and boring as conventional wisdom about the county suggests.

2. To go through a cycle or to put through a cycle.
3. (electronics) To turn power off and back on

   Avoid cycling the device unnecessarily.

4. (ice hockey) To maintain a team's possession of the puck in the offensive zone by handling and passing the puck in a loop from the boards near the goal up the side boards and passing to back to the boards near the goal

   They have their cycling game going tonight.

関連する語

• recycle

語源

From Ancient Greek κύκλος (kúklos, “circle”).

接尾辞

-cycle

1. circle

アナグラム

• leccy