vox·​el | \ ˈväk-səl How to pronounce voxel (audio) , -ˌsel\

Definition of voxel

: any of the discrete elements comprising a three-dimensional entity (such as an image produced by magnetic resonance imaging) MRI produces the best resolution of any existing scanning technology, imaging down to a 2-millimetre "voxel" (the 3D equivalent of a pixel).— Clint Witchalls To process the MRI data, a computer overlaid on Pickens' brain a virtual three-dimensional grid of 50,000 cubes called voxels (a word hinting at volume and pixels).— Christopher Helman

Examples of voxel in a Sentence

Recent Examples on the Web

The development of a technique called multi-voxel pattern analysis (MVPA) has catalysed this revolution. Helen Shen, Scientific American, "Portrait of a Memory," 14 Mar. 2018 Three-dimensional images are measured in voxels, a bit like computer images that are measured in pixels. Andrew Wagner, Science | AAAS, "Watch a supercomputer design a radical new wing for airplanes," 4 Oct. 2017 Robots assemble and reassemble the building blocks, or voxels, based on a digital blueprint. Alex Palmer, Smithsonian, "Have We Been Building Chairs All Wrong?," 14 Oct. 2017 Instead of pure pixels, think of them with volume—height, length and depth—turning them into voxels. Tim Newcomb, Popular Mechanics, "How Intel Creates Pop-Up 360-Replays for the Final Four," 3 Apr. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'voxel.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of voxel

1976, in the meaning defined above

History and Etymology for voxel

vo(lume) entry 1 + (pi)xel

Keep scrolling for more

Learn More about voxel

Statistics for voxel

Look-up Popularity

Time Traveler for voxel

The first known use of voxel was in 1976

See more words from the same year

Comments on voxel

What made you want to look up voxel? Please tell us where you read or heard it (including the quote, if possible).


to be made up of

Get Word of the Day daily email!

Test Your Vocabulary

Where in the World? A Quiz

  • peter bruegel tower of babel painting
  • What language does pajama come from?
Spell It

Can you spell these 10 commonly misspelled words?

Dictionary Devil

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!