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spiral

/spahy-ruhl/US // ˈspaɪ rəl //UK // (ˈspaɪərəl) //

螺旋式,螺旋式的,螺旋形,螺旋状

Related Words

Definitions

n.名词 noun
  1. 1
    • : Geometry. a plane curve generated by a point moving around a fixed point while constantly receding from or approaching it.
    • : a helix.
    • : a single circle or ring of a spiral or helical curve or object.
    • : a spiral or helical object, formation, or form.
    • : Aeronautics. a maneuver in which an airplane descends in a helix of small pitch and large radius, with the angle of attack within that of the normal flight range.
    • : Football. a type of kick or pass in which the ball turns on its longer axis as it flies through the air.
    • : Economics. a continuous increase in costs, wages, prices, etc. , or a decrease in costs, wages, prices, etc. .
adj.形容词 adjective
  1. 1
    • : running continuously around a fixed point or center while constantly receding from or approaching it; coiling in a single plane: a spiral curve.
    • : coiling around a fixed line or axis in a constantly changing series of planes; helical.
    • : of or of the nature of a spire or coil.
    • : bound with a spiral binding; spiral-bound: a spiral notebook.
v.无主动词 verb
  1. 1

    spi·raled, spi·ral·ing or spi·ralled, spi·ral·ling.

    • : to take a spiral form or course.
    • : to advance or increase steadily; rise: Costs have been spiraling all year.
    • : Aeronautics. to fly an airplane through a spiral course.
v.有主动词 verb
  1. 1

    spi·raled, spi·ral·ing or spi·ralled, spi·ral·ling.

    • : to cause to take a spiral form or course.

Synonyms & Antonyms

Examples

  • India’s healthcare system has spiralled into total chaos following the Covid-19 outbreak.

  • It’s possible, too, that some of the partisan divides we’re seeing now could start to narrow as outbreaks spiral out of control in states like Arizona, Florida and Texas.

  • Images from the telescopes show a spiral disk of gas and dust surrounding AB Aurigae.

  • It likely has spiral arms, too, the scientists say — just like the Milky Way.

  • Our spirals might all trace back to an unexpected influence from cosmic rays.

  • The now-convicted felons will hear their sentences in January, but their story continues to spiral downward.

  • This downward spiral involving local power politics was obvious to the Americans in the valley.

  • Without those subsidies, the worst-case scenario has Obamacare entering a fiscal death spiral.

  • To his fellow survivors and to the audience, this delusion indicates another slip on a downward spiral.

  • In 2008, it was looking at a death spiral: cut credit ratings, claims on the policies, and collateral calls.

  • The organism is an actively motile spiral thread, about four times the diameter of a red corpuscle in length.

  • See that silver spiral going out from Venus and around the table to the orbit of Saturn?

  • Spirochte pallida is an extremely slender, spiral, motile thread, with pointed ends.

  • Upon ulcerated surfaces it is often mingled with other spiral micro-organisms, which adds to the difficulty of its detection.

  • The palpi of the male are in this species each provided with a spiral screw resembling the tendril of a vine.