convolution

Meaning

Noun

• A twist or fold.
• Any of the folds on the surface of the brain.
• The shape of something rotating; a vortex.
• State or condition of being convoluted.
• A form of moving average.
• A function which maps a tuple of sequences into a sequence of tuples.
• One 360° turn in a spring or similar helix. A keyring contains 2 convolutions.

Origin

• Borrowed from Latin convolutus ("to roll together"), past participle of convolvere, from con- + volvere, with the suffix -tion. Equivalent to convolute + -ion.