biannual

As adjectives the difference between quarter and biannual

is that quarter is pertaining to an aspect of a quarter while biannual is semiannual: occurring twice a year.

As nouns the difference between quarter and biannual

is that quarter is any one of four equal parts into which something has been divided while biannual is something occurring twice each year.

As a verb quarter

is to divide into quarters.

As nouns the difference between taxonomy and biannual

is that taxonomy is the science or the technique used to make a classification while biannual is something occurring twice each year.

As an adjective biannual is

semiannual: occurring twice a year.

As adjectives the difference between biannual and halfyearly

is that biannual is semiannual: occurring twice a year while halfyearly is alternative form of lang=en.

As a noun biannual

is something occurring twice each year.

As an adverb halfyearly is

alternative form of lang=en.