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irrigation

/ˌɪɹəˈɡeɪʃən/ · ir.riga·tion
noun
  1. The act or process of irrigating, or the state of being irrigated; especially, the operation of causing water to flow over lands, for nourishing plants. The ancient Egyptians developed sophisticated irrigation systems to support their agricultural economy.
  2. A system of pipes and canals used for irrigation, especially in arid regions. The village relied on a complex irrigation system to bring water from the nearby river to their crops.
Did you know? Irrigation has been a crucial aspect of human civilization, with evidence of ancient irrigation systems dating back to around 4000 BCE in Mesopotamia.
Written by Lexi Wordsworth, Dictionary Editor 3 lookups Added Jul 29, 2026