Learn how to say Moistener correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word moist:
the moist, fertile soil
(of the eyes) wet with tears:
her brother’s eyes became moist
(of a climate) rainy:
exposure to the Atlantic on the west gives rise to a cool, moist climate
2 Medicine marked by a fluid discharge.
late Middle English: from Old French moiste, based on Latin mucidus ‘mouldy’ (influenced by musteus ‘fresh’, from mustum: see must2)