A supposed term in a fictional context or a scientific fictional substance

एक काल्पनिक पदार्थ

English Usage: The scientist proposed a new compound called tuffonal for his experiment.

Hindi Usage: वैज्ञानिक ने अपने प्रयोग के लिए एक नए यौगिक का नाम तुफ़्फ़ोनल रखा।