单词 | pneumatogram |
释义 | ˈpneumatogram|-græm| [f. as prec. + -gram. (See also pneumogram.)] 1. A diagram or tracing of the movements of the chest in respiration, obtained by a pneumograph.
1890in Cent. Dict. 1895Syd. Soc. Lex., Pneumatogram, the graphic representation of the respiratory movements by a curved tracing. 2. [after telegram.] A message sent by pneumatic dispatch: see pneumatic a. 1.
1894Stead If Christ came to Chicago v. vi, [The pneumatic tube system] began with the dispatch of pneumatograms, following the example of Paris. |

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