protosolar purvâ-xoršidi Fr.: protosolaire Describing the conditions prior to the formation of the → solar system, or pertaining to the → protostar that became the → Sun. |
protosolar abundance farâvâni-ye purvâ-xoršidi Fr.: abondance protosolaire The abundance of a chemical element pertaining to the proto-→ solar nebula from which the → solar system was formed. → CI chondrite; → CAI meteorite. → protosolar; → abundance. |