spodium /spōˈdi-əm/ (now rare)

1. Powder obtained from various substances by calcination
2. Bone-black

• isoprenaline
• isoprenalines
• isoprene
• isoprenes
• isopropyl
• isopropyls
• Isoptera
• isopteran
• isopterans
• isopterous
• isopycnic
• isopycnics
• isorhythmic
• isos
• isosceles
• isoseismal
• isoseismals
• isoseismic
• isosmotic
• isospin
• isospins
• isospories
• isosporous
• isospory
• isostasies