Definition of "compositionally"

The central painting, depicting Circe's palace, is compositionally and stylistically different than the rest of the frieze.

2009, Umberto Pappalardo, The Splendor of Roman Wall Painting, page 91

Compositionally there is no great distinction between cell wall and cell surface, both are relatively transparent compounds, but both parts of the cell are of high significance in Biology due to their central role in cell functioning.

2018, Clarence Green, James Lambert, “Position vectors, homologous chromosomes and gamma rays: Promoting disciplinary literacy through Secondary Phrase Lists”, in English for Specific Purposes, page 8

In particular, its meaning will normally also be retrieved from storage rather than computed compositionally, from the constituents.

2004, Östen Dahl, The Growth and Maintenance of Linguistic Complexity‎, page 180