2D
Americanadjective
noun
Etymology
Origin of 2D
First recorded in 1960–65
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Phosphorus is also capable of forming stable 2D structures.
From Science Daily • Feb. 16, 2026
While giving no release date for the remakes, it unexpectedly announced a side-scrolling 2D prequel game Sons of Sparta with immediate release.
From BBC • Feb. 13, 2026
The strong sensing performance of 2D materials supports the development of integrated platforms that combine light sources and detectors into a single system.
From Science Daily • Jan. 7, 2026
In fact, first-time director Ugo Bienvenu conjures not one but two apocalyptic climate futures for his 2D time-travel odyssey, produced by actor Natalie Portman and distributed by Neon in an English-language version.
From Los Angeles Times • Dec. 22, 2025
I looked, but all I saw was three people moving through the dark, carrying stuff from a pickup truck to unit 2D.
From "The Book of Unknown Americans" by Cristina Henríquez
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.