expander
(ɛkˈspændə(r))
[f. as prec. + -er.]
One who, or that which, expands (in senses of the verb). chest expander: a calisthenic appliance for ‘expanding’ the chest.
| 1862 Lit. Churchm. VIII. 338/2 Nor can the animus of our ‘expanders’ [i.e. advocates of ‘Church Expansion’] be at all doubtful. 1867 Emerson Lett. & Soc. Aims vii. 183 Great love is the inventor and expander of the frozen powers. 1886 Freeman Greater Greece, etc. (title of Lect.), George Washington, the Expander of England. 1887 Scientific Amer. 18 June 394 A tube expander has been patented for expanding the ends of boiler tubes. |