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IS and ARE are both forms of which verb?

Origin of spiral

1545鈥55; <Medieval Latin sp墨r膩lis, equivalent to Latin sp墨r(a) coil (<Greek spe卯ra anything coiled, wreathed, or twisted; see spire2) + -膩lis-al1

OTHER WORDS FROM spiral

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, 漏 Random House, Inc. 2022

How to use spiral in a sentence

British Dictionary definitions for spiral

spiral
/ (藞spa瑟蓹r蓹l) /

noun
adjective
having the shape of a spiral
verb -rals, -ralling or -ralled or US -rals, -raling or -raled
to assume or cause to assume a spiral course or shape
(intr) to increase or decrease with steady accelerationwages and prices continue to spiral

Derived forms of spiral

spirally, adverb

Word Origin for spiral

C16: via French from Medieval Latin sp墨r膩lis, from Latin sp墨ra a coil; see spire
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition 漏 William Collins Sons & Co. Ltd. 1979, 1986 漏 HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for spiral

spiral
[ sp墨r蓹l ]

adj.
Coiling or developing around an axis in a constantly changing series of planes; helical.
n.
A structure in the shape of a coil.
v.
To take the form or course of a spiral.
The American Heritage庐 Stedman's Medical Dictionary Copyright 漏 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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