| Date: | 1500-1600 |
| Language: | Medieval Latin |
| Origin: | spiralis (adjective), from Latin spira 'coil' |
1CF a line in the form of a curve that winds around a central point, moving further away from the centre all the time
2 a process, usually a harmful one, in which something gradually but continuously gets worse or better
3 a situation in which wages and prices rise continuously because the level of inflation is high
inflationary spiral
—spiral adjective

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