dimensional
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two-dimensional
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three-dimensional
three-dimensional
1 adj A three-dimensional object is solid rather than flat, because it can be measured in three different directions, usually the height, length, and width. The abbreviation 3-D can also be used.
...a three-dimensional model.
2 adj A three-dimensional picture, image, or film looks as though it is deep or solid rather than flat. The abbreviation 3-D can also be used.
...new software, which generates both two-dimensional drawings and three-dimensional images.
3 adj If you describe fictional characters as three-dimensional you mean that they seem real and natural., (approval)
She emerges as a full, three-dimensional character in a way that few horror genre heroines ever do.
4 adj Three-dimensional art or design is produced by carving or shaping stone, wood, clay, or other materials. The abbreviation 3-D can also be used.
...a degree in three-dimensional art.
two-dimensional , two dimensional
1 adj A two-dimensional object or figure is flat rather than solid so that only its length and width can be measured.
...new software, which generates both two-dimensional drawings and three-dimensional images.
2 adj If you describe fictional characters as two-dimensional, you are critical of them because they are very simple and not realistic enough to be taken seriously., (disapproval)
I found the characters very two-dimensional, not to say dull.