Vectors
The term is "quiver".
the proper term is: compacted
which term represents a compound
Proper Term: Cardiac Arrest
Darts (Arrows is a slang term for darts... somewhere, I'm told. I don't think I ever heard it here in the States.)
The proper musical term for increasing the tempo is "accelerando."
A line in geometry term looks like a line with to arrows on both sides
The term "brace" typically represents the number two. In various contexts, such as sports or measurements, a brace refers to a pair of items. For example, in archery, a brace may refer to two arrows. Overall, the common interpretation of "brace" is a quantity of two.
The term that comes before nth term
No.
spiral
I thinl the term you want is integers.