Definition of moisture noun from the Oxford Advanced Learner's Dictionary

 

moisture

 noun
noun
BrE BrE//ˈmɔɪstʃə(r)//
 
; NAmE NAmE//ˈmɔɪstʃər//
 
[uncountable]
 
jump to other results
very small drops of water that are present in the air, on a surface or in a substance the skin’s natural moisture a material that is designed to absorb/retain moisture Word Origin late Middle English (denoting moistness): from Old French moistour, from moiste, based on Latin mucidus ‘mouldy’ (influenced by musteus ‘fresh’, from mustum, neuter (used as a noun) of mustus ‘new’).Extra examples Tiles stop moisture from penetrating your walls. Ventilation helps prevent moisture build-up. Wind is caused by the sun drawing up moisture from the earth. the moisture in the soil Beads of moisture were forming on his forehead. Sinai limestone is known to retain moisture. This lotion cleanses without stripping the skin of its natural moisture. Trees need moisture in order to maintain their growth.
See the Oxford Advanced American Dictionary entry: moisture