diurnal

In botany|lang=en terms the difference between diurnal and annual

is that diurnal is (botany) said of a flower open, or releasing its perfume during daylight hours, but not at night while annual is (botany) an ; a plant with a life span of just one growing season; a plant which naturally germinates, flowers and dies in one year compare biennial, perennial.

As adjectives the difference between diurnal and annual

is that diurnal is happening or occurring during daylight, or primarily active during that time while annual is happening once every year.

As nouns the difference between diurnal and annual

is that diurnal is a flower that opens only in the day while annual is an ; a book, periodical, journal, report, comic book, yearbook, etc, which is published serially once a year, which may or may not be in addition to regular weekly or monthly publication.

As adjectives the difference between diurnal and mundane

is that diurnal is happening or occurring during daylight, or primarily active during that time while mundane is worldly, earthly, profane, vulgar as opposed to heavenly.

As nouns the difference between diurnal and mundane

is that diurnal is a flower that opens only in the day while mundane is an unremarkable, ordinary human being.

As adjectives the difference between diurnal and undefined

is that diurnal is happening or occurring during daylight, or primarily active during that time while undefined is lacking a definition or value.

As a noun diurnal

is a flower that opens only in the day.

As adjectives the difference between hourly and diurnal

is that hourly is that happens every hour while diurnal is happening or occurring during daylight, or primarily active during that time.

As nouns the difference between hourly and diurnal

is that hourly is something produced each hour while diurnal is a flower that opens only in the day.

As an adverb hourly

is at intervals of an hour.

As an adjective diurnal is

happening or occurring during daylight, or primarily active during that time.

As a noun diurnal is

a flower that opens only in the day.

As adjectives the difference between diurnal and seasonal

is that diurnal is happening or occurring during daylight, or primarily active during that time while seasonal is of, related to, or reliant on a season or period of the year, especially with regard to weather characteristics.

As nouns the difference between diurnal and seasonal

is that diurnal is a flower that opens only in the day while seasonal is anything that is seasonal, such as a financial trend, a product for sale, or an employee.

As nouns the difference between taxonomy and diurnal

is that taxonomy is the science or the technique used to make a classification while diurnal is a flower that opens only in the day.

As an adjective diurnal is

happening or occurring during daylight, or primarily active during that time.

As nouns the difference between diurnal and diurnalness

is that diurnal is a flower that opens only in the day while diurnalness is (rare) the quality of being diurnal.

As an adjective diurnal

is happening or occurring during daylight, or primarily active during that time.

As adjectives the difference between diurnal and nondiurnal

is that diurnal is happening or occurring during daylight, or primarily active during that time while nondiurnal is not diurnal.

As a noun diurnal

is a flower that opens only in the day.