IPA: /ˈmɔɪs.tʃər/
KK: /ˈmɔɪsʧər/
A small amount of wetness or dampness in the air or on surfaces.
The moisture in the air made the day feel humid.
Moisture → It is formed from "moist" (from Old French *moiste*, meaning slightly wet) and the suffix "-ure" (used to form nouns indicating a state or condition). The word "moisture" refers to the state or condition of being slightly wet or damp.
Think of the word 'moist' which means slightly wet, and remember that 'moisture' describes the state of being wet.