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Alkaline vs Null - What's the difference?

alkaline | null |

As nouns the difference between alkaline and null

is that alkaline is an alkaline battery while null is a non-existent or empty value or set of values.

As adjectives the difference between alkaline and null

is that alkaline is of, or relating to an alkali, one of a class of caustic bases while null is having no validity, "null and void.

As a verb null is

to nullify; to annul.

alkaline

English

Alternative forms

*

Noun

(en noun)
  • An alkaline battery.
  • Adjective

    (en adjective)
  • Of, or relating to an alkali, one of a class of caustic bases.
  • (chemistry) Having a pH greater than 7.
  • Synonyms

    * (chemistry) basic

    Antonyms

    * (chemistry) acidic

    Derived terms

    * alkaline air * alkaline battery * alkaline earth * alkaline earth metal

    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 ----