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tr. & intr.v. mois·tened, mois·ten·ing, mois·tens
To make or become moist.

mois′ten·er n.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.moistener - a device that dampens or moistens somethingmoistener - a device that dampens or moistens something; "he used a dampener to moisten the shirts before he ironed them"
device - an instrumentality invented for a particular purpose; "the device is small enough to wear on your wrist"; "a device intended to conserve water"
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References in periodicals archive ?
uk) have come up trumps with the Wet-n-Gro Soil Moistener for pounds 9.
It was in an old, smoke-filled pub down by the harbour somewhere near Lymington, Hampshire, where a group of geriatric sailing pals had decided to repair for a well-earned moistener one summer evening a few years ago.
Various switches, dials, buttons and levers supplied by Otto Controls, Sprague Devices, Vansco, Indak and Eaton control functions including basket raise/lower; basket door open/close, picker drums raise/lower, moistener operation, forward/reverse travel and travel speed.
Use a postage stamp moistener to seal the grout for ceramic tile.