circumprimary

As a noun terms

is .

As an adjective circumprimary is

(astronomy) that surrounds the primary star of a binary star system.

Circumsecondary is a see also of circumprimary.

In astronomy|lang=en terms the difference between circumsecondary and circumprimary

is that circumsecondary is (astronomy) that surrounds the secondary star of a binary star system while circumprimary is (astronomy) that surrounds the primary star of a binary star system.

As adjectives the difference between circumsecondary and circumprimary

is that circumsecondary is (astronomy) that surrounds the secondary star of a binary star system while circumprimary is (astronomy) that surrounds the primary star of a binary star system.

As a noun star

is star.

As an adjective circumprimary is

(astronomy) that surrounds the primary star of a binary star system.

As adjectives the difference between primary and circumprimary

is that primary is the first in a group or series while circumprimary is (astronomy) that surrounds the primary star of a binary star system.

As a noun primary

is a primary election; a preliminary election to select a political candidate of a political party.

As a verb primary

is (us|intransitive) to take part in a primary election.

As a verb surround

is (label) to encircle something or simultaneously extend in all directions.

As a noun surround

is (british) anything, such as a fence or border, that surrounds something.

As an adjective circumprimary is

(astronomy) that surrounds the primary star of a binary star system.