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Use "irrigational" in a sentence
"However, years of civil insecurity and unrest have led to the collapse of these irrigational schemes."
"When I scrubbed in ENT theatres it used to be called an antrum washout but probably has a completely new and fancy name now, like post-nasal irrigational lavage or something but William Hague was entirely thankful to have his done by this method whilst he was Prime Minister"
"A case in example is dry lands in Vidarbha (Maharashtra) where the size of the average holding was 3.3 hectares, but the productivity was abysmally poor due to lack of irrigational facilities."