hand·​wash·​ing | \ ˈhand-ˌwȯ-shiŋ , -ˌwä-\
variants: or hand-washing

Definition of handwashing

1 : the act or activity of washing one's hands Some 80 percent of your exposure to germs occurs through touch, making proper handwashing key to protecting yourself.— Andrew Weil, Self Healing, December 2004
2 : the act or activity or washing something by hand rather than by using a machine delicate fabrics that require hand-washing

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Other Words from handwashing

hand-wash \ ˈhand-​ˌwȯsh , -​ˌwäsh \ transitive verb hand-washed; hand-washing; hand-washes
… cotton that he said had to be hand-washed in lukewarm water … — John Updike, “Beautiful Husbands” in Trust Me, 1987

First Known Use of handwashing

1793, in the meaning defined at sense 2

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The first known use of handwashing was in 1793

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