A card whose effects persist beyond the turn on which it is played.
A chemical hair treatment imparting or removing curliness, whose effects typically last for a period of weeks; a perm.
Given an n⨯n matrix a_ij,, the sum over all permutations 𝜋, of ∏ᵢ₌₁ⁿa_i𝜋(i).
Without end, eternal.
Lasting for an indefinitely long time.
A relatively minor contest that precedes a major one, especially in boxing
Any of a series of sports events that determine the finalists
A preparation for a main matter; an introduction.
In preparation for the main matter; initial, introductory, preparatory.