the scientific study of the origin, structure, and other features of rainfall
hyetology in American English
(ˌhaiɪˈtɑlədʒi)
noun
the branch of meteorology dealing with precipitation
Derived forms
hyetological (ˌhaiɪtlˈɑdʒɪkəl)
adjective
hyetologist
noun
Word origin
[hyeto- + -logy]-logy is a combining form used in the names of sciences or bodies of knowledge. Other wordsthat use the affix -logy include: anthropology, chronology, thanatology, tropology, typology