Difference between Swab and Dab

Swab

Part of speech: noun

Definition: a small piece of soft, absorbent material, such as gauze, used to clean wounds, apply medicine, or take samples of body fluids. Often attached to a stick or wire to aid access. A sample taken with a swab (1). A piece of material used for cleaning or sampling other items like musical instruments or guns. A mop, especially on a ship. A sailor; see swabby.

Part of speech: verb

Definition: To use a swab on something, or clean something with a swab

Dab

Part of speech: adverb

Definition: With a dab, or sudden contact.

Part of speech: verb

Definition: To press lightly in a repetitive motion with a soft object without rubbing.to apply a substance in this way.

Part of speech: noun

Definition: A soft tap or blow; a blow or peck from a bird's beak; an aimed blow; dial. a box, a slap.A small amount, a blob of some soft or wet substance.(mostly plural) fingerprintOne skilful or proficient, an expert, an adept.A small flatfish of the family Pleuronectidae, especially Limanda limanda； flounder.