A less common synonym for 隕石 (いんせき). Used in some scientific or literary contexts.
See also: 隕石
博物館に珍しい星石が展示されている。
A rare meteorite is on display at the museum.
彼は星石の研究に生涯を捧げた。
He devoted his life to the study of meteorites.
Compound of 星 (ほし, 'star') and 石 (いし, 'stone'), literally 'star stone'. The exact origin is uncertain, but it likely arose as a descriptive term for meteorites.