1. The act of irrigating; the operation of causing water to flow over lands for nourishing plants.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• irrtation,
• iterigation,
• irratation,
• irrigacion,
• irragtion,
• irrgations,
• irrigtion,
• irration,
• irradation,
• irrgation,
• irridation,
• irregation,
• irrigatin,
• irrition,
• irrigaton,
• irragation,
• irriation,
• irriatation,
• irigation,
• irragations

• Irrigating,
• irrigate,
• irritation.

The adjective form of the word "irrigation" is "irrigational".

The plural of the "irrigation" can be the "irrigations".

The singular of the "irrigation" can be the "irrigation".