Organic compounds exist in which a hydrogen atom, joined to the carbon, acquires acid properties as a result of the proximity of certain functional groupings. Victor Grignard
I can never tire of speaking of the bridges of Paris. By day and by night have I paused on them to gaze at their views; the word not being too comprehensive for the crowds and groupings of objects that are visible from their arches. James Fenimore Cooper
[Overall level questions involved an] understanding of the deep structure of the data being presented in their totality, usually comparing trends and seeing groupings. Jacques Bertin
The most important groupings of states are no longer the three blocs of the Cold War but rather the world's seven or eight major civilizations. Samuel P. Huntington
When I write now I do not invent situation, characters, or actions, but rather structures and discursive forms, textual groupings which are combined according to secret affinities among themselves, as in architecture or the plastic arts. Juan Goytisolo
A bracket is an additional vertical line joining staves, to show groupings of instruments that function as a unit, such as the string section of an orchestra. Source: Internet