What's the difference between
and
Enter two words to compare and contrast their definitions, origins, and synonyms to better understand how those words are related.

Policeman vs Null - What's the difference?

policeman | null |

As nouns the difference between policeman and null

is that policeman is a member of a police force, especially one who is male while null is zero, nil; the cardinal number before einn.

policeman

English

Noun

(policemen)
  • A member of a police force, especially one who is male.
  • *{{quote-book, year=1963, author=(Margery Allingham), title=(The China Governess)
  • , chapter=19 citation , passage=Meanwhile Nanny Broome was recovering from her initial panic and seemed anxious to make up for any kudos she might have lost, by exerting her personality to the utmost. She took the policeman' s helmet and placed it on a chair, and unfolded his tunic to shake it and fold it up again for him.}}
  • (chemistry) A glass rod capped at one end with rubber, used in a chemistry laboratory for gravimetric analysis.
  • Synonyms

    * (member of a police force) See * (glass rod with rubber cap) rubber policeman

    Antonyms

    * policewoman

    Hypernyms

    * police officer

    Derived terms

    * sleeping policeman

    null

    English

    Noun

    (en noun)
  • A non-existent or empty value or set of values.
  • Zero]] quantity of [[expression, expressions; nothing.
  • (Francis Bacon)
  • Something that has no force or meaning.
  • (computing) the ASCII or Unicode character (), represented by a zero value, that indicates no character and is sometimes used as a string terminator.
  • (computing) the attribute of an entity that has no valid value.
  • Since no date of birth was entered for the patient, his age is null .
  • One of the beads in nulled work.
  • (statistics) null hypothesis
  • Adjective

    (en adjective)
  • Having no validity, "null and void"
  • insignificant
  • * 1924 , Marcel Proust, Within a Budding Grove :
  • In proportion as we descend the social scale our snobbishness fastens on to mere nothings which are perhaps no more null than the distinctions observed by the aristocracy, but, being more obscure, more peculiar to the individual, take us more by surprise.
  • absent or non-existent
  • (mathematics) of the null set
  • (mathematics) of or comprising a value of precisely zero
  • (genetics, of a mutation) causing a complete loss of gene function, amorphic.
  • Derived terms

    * nullity

    Verb

    (en verb)
  • to nullify; to annul
  • (Milton)

    See also

    * nil ----