CONVOLUTION

Pronunciation (US):

(GB):

IPA (US):

 Dictionary entry overview: What does convolution mean? 

• CONVOLUTION (noun)
  The noun CONVOLUTION has 3 senses:

1. the shape of something rotating rapidly

2. a convex fold or elevation in the surface of the brain

3. the action of coiling or twisting or winding together

  Familiarity information: CONVOLUTION used as a noun is uncommon.

 Dictionary entry details 

• CONVOLUTION (noun)

Sense 1

Meaning:

The shape of something rotating rapidly

Classified under:

Nouns denoting two and three dimensional shapes

Synonyms:

convolution; swirl; vortex; whirl

Hypernyms ("convolution" is a kind of...):

round shape (a shape that is curved and without sharp angles)

Sense 2

Meaning:

A convex fold or elevation in the surface of the brain

Classified under:

Nouns denoting body parts

Synonyms:

convolution; gyrus

Hypernyms ("convolution" is a kind of...):

anatomical structure; bodily structure; body structure; complex body part; structure (a particular complex anatomical part of a living thing and its construction and arrangement)

Hyponyms (each of the following is a kind of "convolution"):

frontal gyrus (any of the convolutions of the outer surface of the frontal lobe of the cerebrum)

temporal gyrus (any of the convolutions of the outer surface of the temporal lobe of the cerebrum)

parietal gyrus (any of the convolutions of the outer surface of the parietal lobe of the cerebrum)

occipital gyrus (any of the convolutions of the outer surface of the occipital lobe of the cerebrum)

central gyrus (either of two gyri on either side of the central sulcus)

Holonyms ("convolution" is a part of...):

cerebrum (anterior portion of the brain consisting of two hemispheres; dominant part of the brain in humans)

Sense 3

Meaning:

The action of coiling or twisting or winding together

Classified under:

Nouns denoting acts or actions

Hypernyms ("convolution" is a kind of...):

change of shape (an action that changes the shape of something)

Derivation:

convolute; convolve (curl, wind, or twist together)

 Context examples 

Convolution kernels can be used to filter images to smooth them and reduce noise or to enhance edges or other image features.

(Convolution Kernel, NCI Thesaurus)

A horizontal groove on the surface of the parietal lobe extending backward from the postcentral sulcus forming the ascending, superior and inferior parietal convolutions.

(Intraparietal Sulcus, NCI Thesaurus)

There was the same shortening of the pinna, the same broad curve of the upper lobe, the same convolution of the inner cartilage.

(The Memoirs of Sherlock Holmes, by Sir Arthur Conan Doyle)

The convolutions or ridges between one or more sulci on the surface of the cerebral cortex.

(Cerebral Gyrus, NCI Thesaurus)

The orbital part of the inferior frontal convolution.

(Anterior Inferior Frontal Convolution, NCI Thesaurus)

A congenital abnormality characterized by the presence of abnormally small convolutions in the brain.

(Microgyria, NCI Thesaurus)

The inferior parietal convolution further divides into the supra-marginal and angular convolutions.

(Inferior Parietal Convolution, NCI Thesaurus)

A cortical branch of the middle cerebral artery supplying the ascending frontal convolution.

(Ascending Frontal Artery, NCI Thesaurus)

A convolution in the cerebral hemisphere between the central sulcus and the precentral sulcus.

(Ascending Frontal Convolution, NCI Thesaurus)

The convolutions or ridges on either side of the collateral sulcus.

(Collateral Gyrus, NCI Thesaurus)