[f. as prec. + -ER1.] One who, or that which, makes equal; spec. an appliance for equalizing the speed of a machine, or the power used to drive it.
1792. Miss Burney, Diary (1842), V. 351. [The Duke’s] deportment is quite noble and in a style to announce conscious rank even to the most sedulous equaliser.
1792. Sir B. Thompson, in Phil. Trans., LXXXII. 79. The ocean may be considered as the great reservoir and equalizer of heat.
1853. Lewes, Goethe, I. 233. The forest is the great equaliser of temperature in Nature.
1870. Ruskin, Lect. Art, i. 5. Education … is not the equalizer, but the discerner of men.
1874. Knight, Dict. Mech., Equalizer, an evener or whiffletree to whose ends the swingle-trees or single-trees of the individual horses are attached.
1882. Bazaar, Exch. & M., 15 Feb., 174. The Otto Power Equaliser.
