boreal

Astrial is likely misspelled.

Astrial has no English definition.

As an adjective boreal

is of, relating to, or coming from the north.

As a noun Boreal

is a subdivision of the Holocene epoch.

As a proper noun boreas

is (label) (greek god).

As a noun boreal is

(geology|paleontology) a subdivision of the holocene epoch.

As nouns the difference between loreal and boreal

is that loreal is (zoology) any of the loreal scales while boreal is (geology|paleontology) a subdivision of the holocene epoch.

As an adjective loreal

is (anatomy) of or pertaining to the lore.

As nouns the difference between taxonomy and boreal

is that taxonomy is the science or the technique used to make a classification while boreal is (geology|paleontology) a subdivision of the holocene epoch.

As nouns the difference between boreal and podzol

is that boreal is (geology|paleontology) a subdivision of the holocene epoch while podzol is the typical soil of coniferous or boreal forests.

As an adjective boreal

is of, relating to, or coming from the north.

As a noun Boreal

is a subdivision of the Holocene epoch.

As an adverb boreally is

in a boreal manner; of or to the north.

As adjectives the difference between boreal and nonboreal

is that boreal is of, relating to, or coming from the north while nonboreal is not boreal.

As a noun Boreal

is a subdivision of the Holocene epoch.