Noun
The state or characteristic of occupying, or of appearing to occupy, three dimensions of space.
(idiomatic, of a person or fictional character) Complexity and depth of character.
Source: en.wiktionary.orgNevertheless, Masaccio's concern to suggest three-dimensionality through volumetric figures and foreshortened forms (a revival of Giotto's approach, rather than a continuation of contemporary trends) is already apparent. Source: Internet
What makes this a Renaissance painting, as against Gentile da Fabriano's masterpiece, is the solidity, the three-dimensionality and naturalism of the figures and the realistic way in which their garments hang or drape around them. Source: Internet
The figures’ robes display a Byzantine conservatism, with their modeled three-dimensionality and allusion to a Classical style, yet the iconic hand gestures are reminiscent of a Romanesque energy and theatricality. Source: Internet