Existing, occurring, or originating before the formation of the sun or another star; specifically constituting material from which the sun was subsequently formed.
Origin
Mid 19th century; earliest use found in Philip Bailey (1816–1902), poet.
Definition of presolar in US English:
presolar
adjective
Astronomy
Existing, occurring, or originating before the formation of the sun or another star; specifically constituting material from which the sun was subsequently formed.
Origin
Mid 19th century; earliest use found in Philip Bailey (1816–1902), poet.