Invariant vs Permanent - What's the difference?
invariant | permanent |
not varying; constant
(mathematics) Unaffected by a specified operation (especially by a transformation)
(computing, programming) Neither covariant nor contravariant.
Without end, eternal.
Lasting for an indefinitely long time.
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:
(linear algebra, combinatorics) Given an matrix , the sum over all permutations of .
As adjectives the difference between invariant and permanent
is that invariant is not varying; constant while permanent is without end, eternal.As nouns the difference between invariant and permanent
is that invariant is an invariant quantity, function etc while permanent is a chemical hair treatment imparting or removing curliness, whose effects typically last for a period of weeks; a perm.As a verb permanent is
(dated) to perm (the hair).invariant
English
Adjective
(en adjective)Synonyms
* (not varying) invariableDerived terms
* class invariantpermanent
English
Adjective
(en adjective)- Nothing in this world is truly permanent .
- The countries are now locked in a permanent state of conflict.
Antonyms
* impermanent, temporaryDerived terms
* permanently * permanent marker * permanent wave * permanent wayNoun
(wikipedia permanent) (en noun)- She had pewter-coloured hair set in a ruthless permanent , a hard beak and large moist eyes with the sympathetic expression of wet stones.