What is Interannual?
Interannual definition and meaning on Dictionary terms:
of, for, or pertaining to a year; yearly: annual salary.
occurring or returning once a year: an annual celebration.
Botany. living only one growing season, as beans or corn.
performed or executed during a year: the annual course of the sun.
Entomology. living or lasting but one season or year, as certain insects or colonies of insects.
Botany. a plant living only one year or season.
a book, report, etc., published annually.