Spiral Definition

spīrəl
spiraled, spiraling, spiralled, spiralling, spirals
noun
spirals
A spiral curve occurring in a single plane.
Webster's New World
A curve on a plane that winds around a fixed center point at a continuously increasing or decreasing distance from the point.
American Heritage
A spiral curve occurring in a series of planes; helix.
Webster's New World
Something having a spiral form, as a wire for holding sheets in some notebooks.
Webster's New World
A section or segment of a spiral.
Webster's New World
adjective
Of or resembling a spiral.
American Heritage
Circling around a central point in a flat, two-dimensional curve that constantly increases (or decreases) in size.
Webster's New World
Circling around a central axis in a conical or cylindrical, three-dimensional curve.
Webster's New World
Relating to or having a spiral binding.
A spiral notebook.
American Heritage
Antonyms:
verb
spiraled, spiraling, spiralled, spiralling, spirals
To move in or form a spiral.
Webster's New World
To cause to move in or form a spiral.
Webster's New World
To rise or fall with steady acceleration.
American Heritage
(figuratively, intransitive) To increase continually.
Her debts were spiralling out of control.
Wiktionary

Other Word Forms of Spiral

Noun

Singular:
spiral
Plural:
spirals

Origin of Spiral

  • Medieval Latin spīrālis of a spiral from Latin spīra coil spire2

    From American Heritage Dictionary of the English Language, 5th Edition

  • Via Medieval Latin spiralis from Latin spira

    From Wiktionary

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