trisagion /tri-sagˈi-on/

1. An ancient hymn consisting of the words ‘O Holy God, holy and mighty, holy and immortal, have mercy on us’
2. Loosely, the Tersanctus

• irrationalise
• irrationalised
• irrationalises
• irrationalising
• irrationalism
• irrationalisms
• irrationalist
• irrationalistic
• irrationalists
• irrationalities
• irrationality
• irrationalize
• irrationalized
• irrationalizes
• irrationalizing
• irrationally
• irrational number
• irrational numbers
• irrationals
• irrealisable
• irrealities
• irreality
• irrealizable
• irrebuttable
• irrebuttable presumption