Hygrometrical :: Hygrometrical (a.) Of or pertaining to hygrometry; made with, or according to, the hygrometer; as, hygrometric observations..
Hygrometrical :: Hygrometrical (a.) Readily absorbing and retaining moisture; as, hygrometric substances, like potash..
Hygrometry :: Hygrometry (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..