Sensor

A device or structure that detects or senses heat, light, sound, motion, or pressure and then reacts to it in a particular way

Blistering

Very intense or severe

Meandering

Going along in a winding way

Saunter

To walk in a slow and relaxed manner

Surface

The outside of a thing

Nocturnal

Active at night

Swiftly

In a quick manner

Secreting

To produce and release a chemical substance into the body

Equivalent

Something that is equal

Fleeting

Passing very quickly; brief

Nimble

Light and quick in movement

Aquatic

Growing or living in water