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.

What is the difference between permanent and constant?

permanent | constant |

As adjectives the difference between permanent and constant

is that permanent is without end, eternal while constant is unchanged through time or space; permanent.

As nouns the difference between permanent and constant

is that permanent is a chemical hair treatment imparting or removing curliness, whose effects typically last for a period of weeks; a perm while constant is that which is permanent or invariable.

As a verb permanent

is to perm (the hair).

permanent

English

Adjective

(en adjective)
  • Without end, eternal.
    • Nothing in this world is truly permanent .
  • Lasting for an indefinitely long time.
    • The countries are now locked in a permanent state of conflict.

    Antonyms

    * impermanent, temporary

    Derived terms

    * permanently * permanent marker * permanent wave * permanent way

    Related terms

    * permafrost * permatemp

    Noun

    (wikipedia permanent) (en noun)
  • A chemical hair treatment imparting or removing curliness, whose effects typically last for a period of weeks; a perm.
  • * 1943 , (Raymond Chandler), The High Window , Penguin 2005, p. 8:
    • She had pewter-coloured hair set in a ruthless permanent , a hard beak and large moist eyes with the sympathetic expression of wet stones.
  • (linear algebra, combinatorics) Given an n \times n matrix a_{ij} \,, the sum over all permutations \pi \, of \prod_{i=1}^n{a_{i\pi(i)}}.

    • See also

    * determinant * ephemeral * relaxer * temporary

    Verb

    (en verb)
  • (dated) To perm (the hair).

    • External links

    * * * ----

    constant

    English

    Adjective

    (en adjective)
  • Unchanged through time or space; permanent.
  • Consistently recurring over time; persistent.
  • * {{quote-magazine, date=2013-11-16, volume=409, issue=8862, magazine=(The Economist), author=Schumpeter
    • , title= The mindfulness business , passage=The constant pinging of electronic devices is driving many people to the end of their tether. Electronic devices not only overload the senses and invade leisure time. They feed on themselves: the more people tweet the more they are rewarded with followers and retweets.}}
  • Steady in purpose, action, feeling, etc.
  • * Sir (Philip Sidney) (1554-1586)
    • Both loving one fair maid, they yet remained constant friends.
  • * (William Shakespeare) (1564-1616)
    • I am constant to my purposes.
  • * (John Dryden) (1631-1700)
    • His gifts, his constant courtship, nothing gained.
  • Firm; solid; not fluid.
  • * (Robert Boyle) (1627-1691)
    • Ifyou mix them, you may turn these two fluid liquors into a constant body.
  • (obsolete) Consistent; logical.
  • * Shakespeare, Twelfth Night IV.ii
    • I am no more mad than you are: make the trial of it with any constant question.

    Noun

    (en noun)
  • That which is permanent or invariable.
  • (algebra) A quantity that remains at a fixed value throughout a given discussion.
  • (science) Any property of an experiment, determined numerically, that does not change under given circumstances.
  • (computing) An identifier that is bound to an invariant value; a fixed value given a name to aid in readability of source code.

    • Related terms

    * constantly (pos adv) * constancy (pos n)

    See also

    * (computing) literal ----