subirrigation /sub-i-ri-gāˈshən/

1. Irrigation by underground pipes
2. Irrigation from beneath

• insides
• inside track
• inside tracks
• insidious
• insidiously
• insidiousness
• insidiousnesses
• in sight
• insight
• insightful
• insight learning
• insights
• insigne
• insignia
• insignias
• insignificance
• insignificances
• insignificancy
• insignificant
• insignificantly
• insignificative
• insincere
• insincerely
• insincerities
• insincerity