spiral ing
/S P AY1 R AH0 L IH0 NG/noun
- 1
(geometry) A curve that is the locus of a point that rotates about a fixed point while continuously increasing its distance from that point.
- 2
(informal) A helix.
- 3
A self-sustaining process with a lot of momentum involved, so it is difficult to accelerate or stop it at once.
- 4
(rail transport) A section of track that forms a circle and crosses over itself, used for gaining height in mountainous territory.
adjective
- 1
Helical, like a spiral.
verb
- 1
(intransitive) To move along the path of a spiral or helix.
- 2
(transitive) To cause something to spiral.
- 3
(figuratively, intransitive) To increase continually.
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