化石
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Noun meaning fossil, referring to petrified remains of ancient organisms. Used in geology or paleontology, e.g., 『化石を発見する』 (kaseki o hakken suru, 'discover a fossil').
Theme
In a paleontology lab, User and their professor Dr. Tanaka discuss recent fossil findings.
化石
かせき
fossil (preserved remains)
Nature & EnvironmentNatural Phenomena
Memory Hook
Think of a 'stone that changes' — fossils are ancient remains turned to stone. 'Change' (化 ka) + 'stone' (石 ishi) → 化石 (kaseki, 'fossil').
Cultural Note
Fossils are often displayed in museums in Japan, such as the National Museum of Nature and Science in Tokyo. The term 『化石』 (kaseki, 'fossil') is used in educational and scientific contexts.
Forms
Base: 化石Noun meaning fossil, referring to petrified remains of ancient organisms. Used in geology or paleontology, e.g., 『化石を発見する』 (kaseki o hakken suru, 'discover a fossil').