Moisture
/mˈɔɪstʃər/
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Definition
(noun) That which moistens or makes damp or wet; exuding fluid; liquid in small quantity.
Sentence Examples
If your windows are not airtight, moisture will seep in.
Plant growth and productivity react sharply to a complex combination of temperature and moisture.
CEFR Practice Quiz
The basement was filled with an unpleasant smell of damp because of the high amount of ____ in the old stone walls.