hygromˈeter noun

An instrument for measuring the humidity of the air or of other gases

hygrometric /-metˈrik/ or hygrometˈrical adjective

1. Of or belonging to hygrometry
2. Hygroscopic

hygromˈetry noun

Measurement of the humidity of the air or of other gases

hyˈgrophil or hygrophilous /-grofˈ/ adjective

1. (Gr phileein to love) moisture-loving
2. Living where there is much moisture

hyˈgrophobe adjective

(Gr phobeein to fear) growing best where moisture is scanty

hyˈgrophyte /-fīt/ noun

(Gr phyton plant) a plant adapted to plentiful water supply

hygrophytic /-fitˈik/ adjective

hyˈgroscope noun

An instrument that shows, without measuring, changes in the humidity of the air

hygroscopic /-skopˈik/ or hygroscopˈical adjective

1. Relating to the hygroscope
2. Readily absorbing moisture from the air
3. (of eg some movements of plants) indicating or caused by absorption or loss of moisture (hygroscopic salt a salt, esp calcium chloride, that absorbs moisture from other substances)

hygroscopicity /-skop-isˈi-ti/ noun

hyˈgrostat noun

An apparatus that produces constant humidity