Moisture (noun)

1. Water or other liquid present in small amounts, especially in the atmosphere or in a substance.
2. The condition of being damp or wet.

Origin:

Middle english moistere, from old english mǣst; akin to old high german meist most.

Examples:

1. The plants need moisture to survive.
2. The humidity in the air was high and there was a lot of moisture.
3. Moisture caused the paint to blister and peel.
4. The moisture in the air caused the bread to become moldy.
5. The moisture content of the soil is important for plant growth.