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Use "moistening" in a sentence
"Nature: Most often these are called cooling or heating, but the terms moistening, relaxing and energizing are used."
"Such use of saliva is no more to be deprecated than its application in a hundred other ways, such as moistening the fingers to turn a leaf, of "licking" one's fingers after eating candy."
"First just a moistening, but then pouring out as my whole body sobbed in a great release of pent-up emotion."