rigol or rigoll /rigˈəl/

1. A gutter or water channel
2. A groove, esp an encircling groove
3. A circlet (Shakespeare)

• isodontal
• isodontals
• isodonts
• isodynamic
• isodynamics
• isoelectric
• isoelectric point
• isoelectronic
• isoenzyme
• isoenzymes
• Isoetaceae
• isoetes
• isoflavone
• isogamete
• isogametes
• isogametic
• isogamic
• isogamies
• isogamous
• isogamy
• isogenetic
• isogenic
• isogenies
• isogenous
• isogeny