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Swab vs Undefined - What's the difference?

swab | undefined |

As a noun swab

is (medicine) 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.

As a verb swab

is to use a swab on something, or clean something with a swab.

As an adjective undefined is

lacking a definition or value.

swab

English

Noun

(en noun)
  • (medicine) 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.
  • (slang) A sailor; a swabby.

    • Synonyms

    * (sailor) swabby

    Verb

    (swabb)
  • To use a swab on something, or clean something with a swab.
  • * , chapter=6
    • , title= Mr. Pratt's Patients , passage=He had one hand on the bounce bottle—and he'd never let go of that since he got back to the table—but he had a handkerchief in the other and was swabbing his deadlights with it.}}

    undefined

    English

    Adjective

    (wikipedia undefined) (-)
  • Lacking a definition or value.
  • (mathematics, computing) That does not have a meaning and is thus not assigned an interpretation.
    • The result of division by zero is undefined .

    Antonyms

    * defined