spiral
/ˈspaɪɹəl/ noun C1- A curve that is the locus of a point that rotates about a fixed point while continuously increasing its distance from that point.
- A helix.
- A self-sustaining process with a lot of momentum involved, so it is difficult to accelerate or stop it at once.
- A section of track that forms a circle and crosses over itself, used for gaining height in mountainous territory.
Plural spirals
Phrasal verbs and expressions
From the library
But these forces increase as we go higher, so that we have a spiral which in defiance of reason rests upon the apex and not on the base.
She grabbed a heavy brass key and marched up the winding spiral staircase.
Other matches
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