convolution

UK: /ˌkɒnvəˈluːʃən/ US: /ˌkɑnvəˈluʃən/ ,(kon′və lo̅o̅′shən)

WordReference Random House Learner's Dictionary of American English © 2025

con•vo•lu•tion /ˌkɑnvəˈluʃən/   n. [countable]

1. a single turn of anything that coils or is coiled; whorl.
2. the act of rolling or coiling together.

con•vo•lu•tion•al, con•vo•lu•tion•ar•y /ˌkɑnvəˈluʃəˌnɛri/  adj. 

WordReference Random House Unabridged Dictionary of American English © 2025

con•vo•lu•tion  (kon′və lo̅o̅′shən), n. 

1. a rolled up or coiled condition.
2. a rolling or coiling together.
3. a turn of anything coiled; whorl.
4. Anatomy one of the sinuous folds or ridges of the surface of the brain.

• Latin convolūt- (see convolute) + -ion
• 1535–45

con′vo•lu′tion•al, con•vo•lu•tion•ar•y  (kon′və lo̅o̅′shə ner′ē), adj.  Synonyms

• 3. twist, winding, sinuosity.

Collins Concise English Dictionary © HarperCollins Publishers::

convolution / ˌkɒnvəˈluːʃən/ noun

1. a twisting together; a turn, twist, or coil
2. an intricate, involved, or confused matter or condition
3. Also called: gyrus any of the numerous convex folds or ridges of the surface of the brain

ˌconvoˈlutional, ˌconvoˈlutionary adjective