lavage

noun
🔊/ˈlævɪdʒ/, 🔊/læˈvɑːʒ/
🔊/ˈlævɪdʒ/, 🔊/læˈvɑːʒ/
(medical医学)
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  1. the process of washing a space inside the body such as the stomach or colon灌洗(胃、肠等)
    Word Originlate 18th cent. (in the general sense ‘washing, a wash’): from French, from laver ‘to wash’.