circumvolution

circumvolution

[sur-kuhm-vuh-loo-shuhn]
noun
1.
the act of rolling or turning around: planetary circumvolution.
2.
a single complete turn or cycle.
3.
a winding or folding about something: the circumvolutions of a boa.
4.
a fold so wound: the circumvolution of a snail shell.
5.
a winding in a sinuous course; a sinuosity: the circumvolutions of the river.
6.
a roundabout course or procedure, or an instance of such: The speaker's circumvolutions bored the audience to tears.

Origin:
1400–50; late Middle English < Medieval Latin circumvolūtiōn- (stem of circumvolūtiō), equivalent to Latin circumvolūt(us) (past participle of circumvolvere to circumvolve) (circum- circum- + volū- past participle stem of volvere to roll + -tus past participle suffix) + -iōn- -ion

circumvolutory [suhr-kuhm-vuh-loo-tuh-ree] , adjective
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World English Dictionary
circumvolution (ˌsɜːkəmvəˈluːʃən)
 
n
1.  the act of turning, winding, or folding around a central axis
2.  a single complete turn, cycle, or fold
3.  anything winding or sinuous
4.  a roundabout course or procedure
 
[C15: from Medieval Latin circumvolūtiō, from Latin circumvolvere, from circum- + volvere to roll]
 
circumvo'lutory
 
adj

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