hygrometry
(haɪˈgrɒmɪtrɪ)
[mod. f. Gr. ὑγρο- hygro- + -µετρία measurement; prob. ad. F. hygrométrie.]
That branch of physics which relates to the measurement of the humidity of the air.
| 1783 De Saussure (title) Essays on Hygrometry. 1871 B. Stewart Heat §150 Hygrometry is that branch of science which treats of the state of the air with regard to moisture. |