Without end, eternal.
Lasting for an indefinitely long time.
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).
To source anew or differently; to find or provide a new source for.
To supply with resources.
Something that one uses to achieve an objective, e.g. raw materials or personnel.
Something that can be used to help achieve an aim, especially a book, equipment, etc. that provides information for teachers and students.
A person's capacity to deal with difficulty.
Hardware or software accessible by a computer, network, or another object connected to a computer.