permanent
Pronunciation:
/ˈpɜːmənənt//ˈpɝmənənt/noun
Definitions
A chemical hair treatment imparting or removing curliness, whose effects typically last for a period of weeks; a perm.
Given an n \times n matrix a_{ij} \,, the sum over all permutations \pi \, of \prod_{i=1}^n{a_{i\pi(i)}}.
(trading card games) A card whose effects persist beyond the turn on which it is played.
verb
Definitions
To perm (the hair).
adjective
Definitions
Without end, eternal.
Example: Nothing in this world is truly permanent.
Lasting for an indefinitely long time.
Example: The countries are now locked in a permanent state of conflict.