from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The measurement of the moisture content of gases, but especially of the humidity of the atmosphere
from the GNU version of the Collaborative International Dictionary of English
- n. That branch of physics which relates to the determination of the humidity of bodies, particularly of the atmosphere, with the theory and use of the instruments constructed for this purpose.
from The Century Dictionary and Cyclopedia
- n. That branch of physics which relates to the determination of the humidity of bodies, especially of the moisture in the atmosphere, embracing also the theory and use of such instruments as have been invented for this purpose.
hygro- + -metry (Wiktionary)