variants or less commonly 2-D
: a two-dimensional form
displayed in 2D
2D adjective
or less commonly 2-D

Word History


D, abbreviation of dimensional

First Known Use

1963, in the meaning defined above

Time Traveler
The first known use of 2D was in 1963

Dictionary Entries Near 2D

Cite this Entry

“2D.” Dictionary, Merriam-Webster, Accessed 11 Dec. 2023.

Kids Definition


: a two-dimensional form
displayed in 2-D
2-D adjective
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