consolidation

noun

1. (countable, uncountable)The act or process of consolidating, making firm, or uniting; the state of being consolidated.
2. (countable, uncountable)The combination of several actions into one.
3. (countable, uncountable)A solidification into a firm dense mass. It is usually applied to induration (swelling or hardening of normally soft tissue) of a normally aerated lung.

   “The areas of lung dysventilation with an absence of alveolar air are visualized in the form of consolidations adjacent to the pleural line.”

   “These included multilobular consolidation with histiological lesions of bronchiolitis with epithelial necrosis and syncytia [14 ].”

4. A steam locomotive of the 2-8-0 wheel arrangement, first built in the United States in 1866.

   “W.D. 2-8-0s have replaced Gresley Consolidations to a great extent on mineral and slow freight trains.”