Tesseract
/ˈtɛs.əˌrækt/noun
A four-dimensional hypercube; also, in mathematics, the 4D analogue of a cube.
Did you know?The term *tesseract* was coined by mathematician Charles Howard Hinton in 1888, from Greek *tessares* (“four”), to name a 4D cube — a shape humans can describe, but never fully visualize.
Etymological Timeline
Proto-Indo-European
PIE
*kʷetwóres
“four”
Ancient Greek
Greek
τέσσαρες (tessares)
“four”
Late 19th Century
English
tesseract
“a coined mathematical term for a four-dimensional hypercube”
Modern English
English
tesseract
“a four-dimensional hypercube”
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