1. Eurasian perennial herb with white flowers that emit flammable vapour in hot weather
   - fraxinella, dittany, burning bush, gas plant

Type of: herb, herbaceous plant

• irrational motive
• irrational number
• irrationality
• irrationally
• Irrawaddy
• Irrawaddy River
• irreality
• irreclaimable
• irreconcilability
• irreconcilable
• irreconcilableness
• irreconcilably
• irrecoverable
• irrecoverably
• irrecusable
• irredeemable
• irredeemably
• irredenta
• irredentism
• irredentist
• irreducible
• irreducibly
• irrefragable
• irrefutable
• irrefutably